125173113 has 16 divisors (see below), whose sum is σ = 179946816. Its totient is φ = 76939200.

The previous prime is 125173099. The next prime is 125173127. The reversal of 125173113 is 311371521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (125173099) and next prime (125173127).

It is a de Polignac number, because none of the positive numbers 2^k-125173113 is a prime.

It is a super-2 number, since 2×125173113² = 31336616436221538, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125173163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49506 + ... + 51972.

It is an arithmetic number, because the mean of its divisors is an integer number (11246676).

Almost surely, 2^125173113 is an apocalyptic number.

125173113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125173113 is a deficient number, since it is larger than the sum of its proper divisors (54773703).

125173113 is a wasteful number, since it uses less digits than its factorization.

125173113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784.

The product of its digits is 630, while the sum is 24.

The square root of 125173113 is about 11188.0790576399. The cubic root of 125173113 is about 500.2307108620.

The spelling of 125173113 in words is "one hundred twenty-five million, one hundred seventy-three thousand, one hundred thirteen".