125708742 has 24 divisors (see below), whose sum is σ = 273517920. Its totient is φ = 41726160.

The previous prime is 125708717. The next prime is 125708743. The reversal of 125708742 is 247807521.

125708742 is a `hidden beast` number, since 1 + 2 + 570 + 87 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 125708697 and 125708706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125708743) 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, 10309 + ... + 18912.

It is an arithmetic number, because the mean of its divisors is an integer number (11396580).

Almost surely, 2^125708742 is an apocalyptic number.

125708742 is an abundant number, since it is smaller than the sum of its proper divisors (147809178).

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

125708742 is a wasteful number, since it uses less digits than its factorization.

125708742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29468 (or 29465 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 125708742 is about 11211.9909917909. The cubic root of 125708742 is about 500.9432089283.

It can be divided in two parts, 12570 and 8742, that added together give a palindrome (21312).

The spelling of 125708742 in words is "one hundred twenty-five million, seven hundred eight thousand, seven hundred forty-two".