125845887128 has 32 divisors (see below), whose sum is σ = 254198271600. Its totient is φ = 58062972288.

The previous prime is 125845887113. The next prime is 125845887133. The reversal of 125845887128 is 821788548521.

It is a congruent number.

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, 103958 + ... + 512346.

Almost surely, 2^125845887128 is an apocalyptic number.

It is an amenable number.

125845887128 is an abundant number, since it is smaller than the sum of its proper divisors (128352384472).

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

125845887128 is a wasteful number, since it uses less digits than its factorization.

125845887128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411371 (or 411367 counting only the distinct ones).

The product of its digits is 11468800, while the sum is 59.

The spelling of 125845887128 in words is "one hundred twenty-five billion, eight hundred forty-five million, eight hundred eighty-seven thousand, one hundred twenty-eight".