125565936 has 20 divisors (see below), whose sum is σ = 324378792. Its totient is φ = 41855296.

The previous prime is 125565907. The next prime is 125565941. The reversal of 125565936 is 639565521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1307931 + ... + 1308026.

Almost surely, 2^125565936 is an apocalyptic number.

125565936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125565936 is an abundant number, since it is smaller than the sum of its proper divisors (198812856).

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

125565936 is a wasteful number, since it uses less digits than its factorization.

125565936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615968 (or 2615962 counting only the distinct ones).

The product of its digits is 243000, while the sum is 42.

The square root of 125565936 is about 11205.6207324717. The cubic root of 125565936 is about 500.7534454031.

The spelling of 125565936 in words is "one hundred twenty-five million, five hundred sixty-five thousand, nine hundred thirty-six".