118957 has 4 divisors (see below), whose sum is σ = 121536. Its totient is φ = 116380.

The previous prime is 118931. The next prime is 118967. The reversal of 118957 is 759811.

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 a de Polignac number, because none of the positive numbers 2^k-118957 is a prime.

It is a deceptive number, since it divides R₁₁₈₉₅₆.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118907) 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, 1219 + ... + 1312.

It is an arithmetic number, because the mean of its divisors is an integer number (30384).

2¹¹⁸⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

118957 is a deficient number, since it is larger than the sum of its proper divisors (2579).

118957 is an equidigital number, since it uses as much as digits as its factorization.

118957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578.

The product of its digits is 2520, while the sum is 31.

The square root of 118957 is about 344.9014351956. The cubic root of 118957 is about 49.1809221646.

The spelling of 118957 in words is "one hundred eighteen thousand, nine hundred fifty-seven".