125331660 has 72 divisors (see below), whose sum is σ = 384798960. Its totient is φ = 33015168.

The previous prime is 125331659. The next prime is 125331671. The reversal of 125331660 is 66133521.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10746 + ... + 19134.

It is an arithmetic number, because the mean of its divisors is an integer number (5344430).

Almost surely, 2^125331660 is an apocalyptic number.

125331660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125331660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192399480).

125331660 is an abundant number, since it is smaller than the sum of its proper divisors (259467300).

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

125331660 is a wasteful number, since it uses less digits than its factorization.

125331660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8487 (or 8482 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 125331660 is about 11195.1623480859. The cubic root of 125331660 is about 500.4418228036.

The spelling of 125331660 in words is "one hundred twenty-five million, three hundred thirty-one thousand, six hundred sixty".