117157 has 4 divisors (see below), whose sum is σ = 118720. Its totient is φ = 115596.

The previous prime is 117133. The next prime is 117163. The reversal of 117157 is 751711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117157 - 2¹⁵ = 84389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663 + ... + 820.

It is an arithmetic number, because the mean of its divisors is an integer number (29680).

2¹¹⁷¹⁵⁷ is an apocalyptic number.

It is an amenable number.

117157 is a deficient number, since it is larger than the sum of its proper divisors (1563).

117157 is an equidigital number, since it uses as much as digits as its factorization.

117157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562.

The product of its digits is 245, while the sum is 22.

The square root of 117157 is about 342.2820474404. The cubic root of 117157 is about 48.9315996898.

Adding to 117157 its reverse (751711), we get a palindrome (868868).

The spelling of 117157 in words is "one hundred seventeen thousand, one hundred fifty-seven".