115657171 has 16 divisors (see below), whose sum is σ = 140258304. Its totient is φ = 93101184.

The previous prime is 115657163. The next prime is 115657207. The reversal of 115657171 is 171756511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115657171 - 2³ = 115657163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115657121) 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, 80566 + ... + 81988.

It is an arithmetic number, because the mean of its divisors is an integer number (8766144).

Almost surely, 2^115657171 is an apocalyptic number.

115657171 is a deficient number, since it is larger than the sum of its proper divisors (24601133).

115657171 is a wasteful number, since it uses less digits than its factorization.

115657171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130.

The product of its digits is 7350, while the sum is 34.

The square root of 115657171 is about 10754.4024008775. The cubic root of 115657171 is about 487.2189689467.

The spelling of 115657171 in words is "one hundred fifteen million, six hundred fifty-seven thousand, one hundred seventy-one".