125015113 has 2 divisors, whose sum is σ = 125015114. Its totient is φ = 125015112.

The previous prime is 125015089. The next prime is 125015129. The reversal of 125015113 is 311510521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101666889 + 23348224 = 10083^2 + 4832^2 .

It is a cyclic number.

It is not a de Polignac number, because 125015113 - 2²¹ = 122917961 is a prime.

It is not a weakly prime, because it can be changed into another prime (125015153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62507556 + 62507557.

It is an arithmetic number, because the mean of its divisors is an integer number (62507557).

Almost surely, 2^125015113 is an apocalyptic number.

It is an amenable number.

125015113 is a deficient number, since it is larger than the sum of its proper divisors (1).

125015113 is an equidigital number, since it uses as much as digits as its factorization.

125015113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 125015113 is about 11181.0157409781. The cubic root of 125015113 is about 500.0201498546.

Adding to 125015113 its reverse (311510521), we get a palindrome (436525634).

The spelling of 125015113 in words is "one hundred twenty-five million, fifteen thousand, one hundred thirteen".