125011912 has 16 divisors (see below), whose sum is σ = 234621900. Its totient is φ = 62446080.

The previous prime is 125011853. The next prime is 125011919. The reversal of 125011912 is 219110521.

It can be written as a sum of positive squares in 2 ways, for example, as 111218116 + 13793796 = 10546^2 + 3714^2 .

It is not an unprimeable number, because it can be changed into a prime (125011919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2112 + ... + 15952.

Almost surely, 2^125011912 is an apocalyptic number.

It is an amenable number.

125011912 is a deficient number, since it is larger than the sum of its proper divisors (109609988).

125011912 is a wasteful number, since it uses less digits than its factorization.

125011912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14976 (or 14972 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 125011912 is about 11180.8725956430. The cubic root of 125011912 is about 500.0158821622.

The spelling of 125011912 in words is "one hundred twenty-five million, eleven thousand, nine hundred twelve".