125532720 has 160 divisors (see below), whose sum is σ = 437918400. Its totient is φ = 33048576.

The previous prime is 125532713. The next prime is 125532751. The reversal of 125532720 is 27235521.

125532720 is a `hidden beast` number, since 125 + 532 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191914 + ... + 192566.

It is an arithmetic number, because the mean of its divisors is an integer number (2736990).

Almost surely, 2^125532720 is an apocalyptic number.

125532720 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 125532720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218959200).

125532720 is an abundant number, since it is smaller than the sum of its proper divisors (312385680).

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

125532720 is a wasteful number, since it uses less digits than its factorization.

125532720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 125532720 is about 11204.1385211001. The cubic root of 125532720 is about 500.7092866824.

The spelling of 125532720 in words is "one hundred twenty-five million, five hundred thirty-two thousand, seven hundred twenty".