118979115 has 32 divisors (see below), whose sum is σ = 199756800. Its totient is φ = 60356736.

The previous prime is 118979101. The next prime is 118979129. The reversal of 118979115 is 511979811.

It is an interprime number because it is at equal distance from previous prime (118979101) and next prime (118979129).

It is not a de Polignac number, because 118979115 - 2⁶ = 118979051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67789 + ... + 69521.

It is an arithmetic number, because the mean of its divisors is an integer number (6242400).

Almost surely, 2^118979115 is an apocalyptic number.

118979115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118979115 is a deficient number, since it is larger than the sum of its proper divisors (80777685).

118979115 is a wasteful number, since it uses less digits than its factorization.

118979115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963.

The product of its digits is 22680, while the sum is 42.

The square root of 118979115 is about 10907.7548102256. The cubic root of 118979115 is about 491.8396967677.

It can be divided in two parts, 11897 and 9115, that added together give a palindrome (21012).

The spelling of 118979115 in words is "one hundred eighteen million, nine hundred seventy-nine thousand, one hundred fifteen".