125939538 has 24 divisors (see below), whose sum is σ = 274248000. Its totient is φ = 41767704.

The previous prime is 125939533. The next prime is 125939551. The reversal of 125939538 is 835939521.

125939538 is a `hidden beast` number, since 1 + 2 + 593 + 9 + 53 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 125939493 and 125939502.

It is not an unprimeable number, because it can be changed into a prime (125939533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13998 + ... + 21161.

It is an arithmetic number, because the mean of its divisors is an integer number (11427000).

Almost surely, 2^125939538 is an apocalyptic number.

125939538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

125939538 is an abundant number, since it is smaller than the sum of its proper divisors (148308462).

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

125939538 is a wasteful number, since it uses less digits than its factorization.

125939538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35366 (or 35363 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 125939538 is about 11222.2786456227. The cubic root of 125939538 is about 501.2495917725.

The spelling of 125939538 in words is "one hundred twenty-five million, nine hundred thirty-nine thousand, five hundred thirty-eight".