125500113 has 12 divisors (see below), whose sum is σ = 181935988. Its totient is φ = 83363040.

The previous prime is 125500099. The next prime is 125500127. The reversal of 125500113 is 311005521.

125500113 is a `hidden beast` number, since 1 + 2 + 550 + 0 + 113 = 666.

It is an interprime number because it is at equal distance from previous prime (125500099) and next prime (125500127).

It can be written as a sum of positive squares in 2 ways, for example, as 44715969 + 80784144 = 6687^2 + 8988^2 .

It is not a de Polignac number, because 125500113 - 2¹⁰ = 125499089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125500813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22678 + ... + 27663.

Almost surely, 2^125500113 is an apocalyptic number.

It is an amenable number.

125500113 is a deficient number, since it is larger than the sum of its proper divisors (56435875).

125500113 is a wasteful number, since it uses less digits than its factorization.

125500113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50624 (or 50621 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 125500113 is about 11202.6832946397. The cubic root of 125500113 is about 500.6659300140.

Adding to 125500113 its reverse (311005521), we get a palindrome (436505634).

The spelling of 125500113 in words is "one hundred twenty-five million, five hundred thousand, one hundred thirteen".