125117057 has 8 divisors (see below), whose sum is σ = 137875584. Its totient is φ = 112806288.

The previous prime is 125117053. The next prime is 125117063. The reversal of 125117057 is 750711521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125117057 - 2² = 125117053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125117051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111353 + ... + 112470.

It is an arithmetic number, because the mean of its divisors is an integer number (17234448).

Almost surely, 2^125117057 is an apocalyptic number.

It is an amenable number.

125117057 is a deficient number, since it is larger than the sum of its proper divisors (12758527).

125117057 is a wasteful number, since it uses less digits than its factorization.

125117057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223879.

The product of its (nonzero) digits is 2450, while the sum is 29.

The square root of 125117057 is about 11185.5736106826. The cubic root of 125117057 is about 500.1560273059.

Adding to 125117057 its reverse (750711521), we get a palindrome (875828578).

The spelling of 125117057 in words is "one hundred twenty-five million, one hundred seventeen thousand, fifty-seven".