125957620 has 24 divisors (see below), whose sum is σ = 271661544. Its totient is φ = 49021056.

The previous prime is 125957599. The next prime is 125957633. The reversal of 125957620 is 26759521.

It can be written as a sum of positive squares in 4 ways, for example, as 13003236 + 112954384 = 3606^2 + 10628^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 125957620.

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, 84367 + ... + 85846.

It is an arithmetic number, because the mean of its divisors is an integer number (11319231).

Almost surely, 2^125957620 is an apocalyptic number.

125957620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125957620 is an abundant number, since it is smaller than the sum of its proper divisors (145703924).

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

125957620 is a wasteful number, since it uses less digits than its factorization.

125957620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170259 (or 170257 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 125957620 is about 11223.0842463202. The cubic root of 125957620 is about 501.2735799008.

The spelling of 125957620 in words is "one hundred twenty-five million, nine hundred fifty-seven thousand, six hundred twenty".