118556969 has 4 divisors (see below), whose sum is σ = 120326544. Its totient is φ = 116787396.

The previous prime is 118556957. The next prime is 118556987. The reversal of 118556969 is 969655811.

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-118556969 is a prime.

It is a super-2 number, since 2×118556969² = 28111509796933922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118556939) 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, 884687 + ... + 884820.

It is an arithmetic number, because the mean of its divisors is an integer number (30081636).

Almost surely, 2^118556969 is an apocalyptic number.

It is an amenable number.

118556969 is a deficient number, since it is larger than the sum of its proper divisors (1769575).

118556969 is an equidigital number, since it uses as much as digits as its factorization.

118556969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769574.

The product of its digits is 583200, while the sum is 50.

The square root of 118556969 is about 10888.3868869544. The cubic root of 118556969 is about 491.2573138696.

The spelling of 118556969 in words is "one hundred eighteen million, five hundred fifty-six thousand, nine hundred sixty-nine".