125297690 has 32 divisors (see below), whose sum is σ = 266647680. Its totient is φ = 41477184.

The previous prime is 125297687. The next prime is 125297717. The reversal of 125297690 is 96792521.

It is a super-2 number, since 2×125297690² = 31399022238672200, which contains 22 as substring.

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, 28832 + ... + 32891.

It is an arithmetic number, because the mean of its divisors is an integer number (8332740).

Almost surely, 2^125297690 is an apocalyptic number.

125297690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125297690 is an abundant number, since it is smaller than the sum of its proper divisors (141349990).

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

125297690 is a wasteful number, since it uses less digits than its factorization.

125297690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61766.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 125297690 is about 11193.6450720934. The cubic root of 125297690 is about 500.3966053253.

The spelling of 125297690 in words is "one hundred twenty-five million, two hundred ninety-seven thousand, six hundred ninety".