124 (number)

From Wikipedia, the free encyclopedia

124 (one hundred [and] twenty-four) is the natural number following 123 and preceding 125.

<< 120 121 122 123 124 125 126 127 128 129 >> List of numbers — Integers << 100 110 120 130 140 150 160 170 180 190 >>
Cardinal	one hundred [and] twenty-four
Ordinal	124th one hundred [and] twenty-fourth
Factorization
Divisors	2, 4, 31, 62
Roman numeral	CXXIV
Binary	1111100
Octal	174
Duodecimal	A4
Hexadecimal	7C

[edit] In mathematics

124 is the sum of eight consecutive primes (5 + 7 + 11 + 13 + 17 + 19 + 23 + 29). It is a nontotient since there is no integer with 124 coprimes below it, it is an untouchable number since there is no integer whose proper divisors add up to 124.

In base 5 it is a repdigit and in base 8 it is a Zuckerman number.

[edit] In other fields

One hundred [and] twenty-four is also:

• The designation of a spur route of Interstate 24.
• The year AD 124 or 124 BC.
• The Fiat 124 automobile.