125881975 has 12 divisors (see below), whose sum is σ = 156233056. Its totient is φ = 100615680.

The previous prime is 125881937. The next prime is 125881981. The reversal of 125881975 is 579188521.

It is a de Polignac number, because none of the positive numbers 2^k-125881975 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51634 + ... + 54016.

Almost surely, 2^125881975 is an apocalyptic number.

125881975 is a deficient number, since it is larger than the sum of its proper divisors (30351081).

125881975 is a wasteful number, since it uses less digits than its factorization.

125881975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506 (or 4501 counting only the distinct ones).

The product of its digits is 201600, while the sum is 46.

The square root of 125881975 is about 11219.7136772736. The cubic root of 125881975 is about 501.1732116623.

The spelling of 125881975 in words is "one hundred twenty-five million, eight hundred eighty-one thousand, nine hundred seventy-five".