125115713 has 2 divisors, whose sum is σ = 125115714. Its totient is φ = 125115712.

The previous prime is 125115709. The next prime is 125115737. The reversal of 125115713 is 317511521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111661489 + 13454224 = 10567^2 + 3668^2 .

It is a cyclic number.

It is not a de Polignac number, because 125115713 - 2² = 125115709 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (125115413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62557856 + 62557857.

It is an arithmetic number, because the mean of its divisors is an integer number (62557857).

Almost surely, 2^125115713 is an apocalyptic number.

It is an amenable number.

125115713 is a deficient number, since it is larger than the sum of its proper divisors (1).

125115713 is an equidigital number, since it uses as much as digits as its factorization.

125115713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1050, while the sum is 26.

The square root of 125115713 is about 11185.5135331374. The cubic root of 125115713 is about 500.1542364174.

The spelling of 125115713 in words is "one hundred twenty-five million, one hundred fifteen thousand, seven hundred thirteen".