125815713 has 8 divisors (see below), whose sum is σ = 168550176. Its totient is φ = 83479200.

The previous prime is 125815709. The next prime is 125815747. The reversal of 125815713 is 317518521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125815713 - 2² = 125815709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125815013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98748 + ... + 100013.

It is an arithmetic number, because the mean of its divisors is an integer number (21068772).

Almost surely, 2^125815713 is an apocalyptic number.

It is an amenable number.

125815713 is a deficient number, since it is larger than the sum of its proper divisors (42734463).

125815713 is a wasteful number, since it uses less digits than its factorization.

125815713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198975.

The product of its digits is 8400, while the sum is 33.

The square root of 125815713 is about 11216.7603611738. The cubic root of 125815713 is about 501.0852600503.

The spelling of 125815713 in words is "one hundred twenty-five million, eight hundred fifteen thousand, seven hundred thirteen".