125165742 has 32 divisors (see below), whose sum is σ = 270517632. Its totient is φ = 38379744.

The previous prime is 125165699. The next prime is 125165753. The reversal of 125165742 is 247561521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21333 + ... + 26559.

It is an arithmetic number, because the mean of its divisors is an integer number (8453676).

Almost surely, 2^125165742 is an apocalyptic number.

125165742 is an abundant number, since it is smaller than the sum of its proper divisors (145351890).

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

125165742 is a wasteful number, since it uses less digits than its factorization.

125165742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552.

The product of its digits is 16800, while the sum is 33.

The square root of 125165742 is about 11187.7496396729. The cubic root of 125165742 is about 500.2208917326.

The spelling of 125165742 in words is "one hundred twenty-five million, one hundred sixty-five thousand, seven hundred forty-two".