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124407012 = 22333131321
BaseRepresentation
bin1110110101001…
…00110011100100
322200002112100010
413122210303210
5223322011022
620202250220
73040304442
oct732446344
9280075303
10124407012
1164251914
12357b6970
131ca0ab22
1412745b92
15adc650c
hex76a4ce4

124407012 has 24 divisors (see below), whose sum is σ = 291169312. Its totient is φ = 41342400.

The previous prime is 124406993. The next prime is 124407029. The reversal of 124407012 is 210704421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 124407012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11689 + ... + 19632.

Almost surely, 2124407012 is an apocalyptic number.

124407012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124407012 is an abundant number, since it is smaller than the sum of its proper divisors (166762300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124407012 is a wasteful number, since it uses less digits than its factorization.

124407012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31659 (or 31657 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 124407012 is about 11153.7891319497. The cubic root of 124407012 is about 499.2080957709.

The spelling of 124407012 in words is "one hundred twenty-four million, four hundred seven thousand, twelve".

Divisors: 1 2 3 4 6 12 331 662 993 1324 1986 3972 31321 62642 93963 125284 187926 375852 10367251 20734502 31101753 41469004 62203506 124407012