125689432 has 32 divisors (see below), whose sum is σ = 272218320. Its totient is φ = 53770240.

The previous prime is 125689423. The next prime is 125689433. The reversal of 125689432 is 234986521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125689433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40513 + ... + 43504.

Almost surely, 2^125689432 is an apocalyptic number.

It is an amenable number.

125689432 is an abundant number, since it is smaller than the sum of its proper divisors (146528888).

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

125689432 is a wasteful number, since it uses less digits than its factorization.

125689432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84051 (or 84047 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 125689432 is about 11211.1298270959. The cubic root of 125689432 is about 500.9175578120.

The spelling of 125689432 in words is "one hundred twenty-five million, six hundred eighty-nine thousand, four hundred thirty-two".