125915113 has 2 divisors, whose sum is σ = 125915114. Its totient is φ = 125915112.

The previous prime is 125915093. The next prime is 125915173. The reversal of 125915113 is 311519521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85618009 + 40297104 = 9253^2 + 6348^2 .

It is a cyclic number.

It is not a de Polignac number, because 125915113 - 2⁹ = 125914601 is a prime.

It is not a weakly prime, because it can be changed into another prime (125915173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62957556 + 62957557.

It is an arithmetic number, because the mean of its divisors is an integer number (62957557).

Almost surely, 2^125915113 is an apocalyptic number.

It is an amenable number.

125915113 is a deficient number, since it is larger than the sum of its proper divisors (1).

125915113 is an equidigital number, since it uses as much as digits as its factorization.

125915113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1350, while the sum is 28.

The square root of 125915113 is about 11221.1903557510. The cubic root of 125915113 is about 501.2171851827.

The spelling of 125915113 in words is "one hundred twenty-five million, nine hundred fifteen thousand, one hundred thirteen".