125564012 has 24 divisors (see below), whose sum is σ = 259230720. Its totient is φ = 52076880.

The previous prime is 125564009. The next prime is 125564029. The reversal of 125564012 is 210465521.

It is a super-2 number, since 2×125564012² = 31532642219072288, which contains 22 as substring.

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, 71462 + ... + 73197.

It is an arithmetic number, because the mean of its divisors is an integer number (10801280).

Almost surely, 2^125564012 is an apocalyptic number.

It is an amenable number.

125564012 is an abundant number, since it is smaller than the sum of its proper divisors (133666708).

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

125564012 is a wasteful number, since it uses less digits than its factorization.

125564012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144701 (or 144699 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 125564012 is about 11205.5348823695. The cubic root of 125564012 is about 500.7508877706.

The spelling of 125564012 in words is "one hundred twenty-five million, five hundred sixty-four thousand, twelve".