125881500 has 48 divisors (see below), whose sum is σ = 366571296. Its totient is φ = 33568000.

The previous prime is 125881499. The next prime is 125881573. The reversal of 125881500 is 5188521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40461 + ... + 43460.

It is an arithmetic number, because the mean of its divisors is an integer number (7636902).

Almost surely, 2^125881500 is an apocalyptic number.

125881500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125881500 is an abundant number, since it is smaller than the sum of its proper divisors (240689796).

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

125881500 is a wasteful number, since it uses less digits than its factorization.

125881500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83943 (or 83931 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 125881500 is about 11219.6925091555. The cubic root of 125881500 is about 501.1725812899.

The spelling of 125881500 in words is "one hundred twenty-five million, eight hundred eighty-one thousand, five hundred".