125645672 has 16 divisors (see below), whose sum is σ = 237442560. Its totient is φ = 62327664.

The previous prime is 125645671. The next prime is 125645677. The reversal of 125645672 is 276546521.

It is not an unprimeable number, because it can be changed into a prime (125645671) 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, 60818 + ... + 62849.

It is an arithmetic number, because the mean of its divisors is an integer number (14840160).

Almost surely, 2^125645672 is an apocalyptic number.

It is an amenable number.

125645672 is a deficient number, since it is larger than the sum of its proper divisors (111796888).

125645672 is a wasteful number, since it uses less digits than its factorization.

125645672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123800 (or 123796 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 125645672 is about 11209.1780251721. The cubic root of 125645672 is about 500.8594179552.

The spelling of 125645672 in words is "one hundred twenty-five million, six hundred forty-five thousand, six hundred seventy-two".