118977015 has 16 divisors (see below), whose sum is σ = 195509088. Its totient is φ = 61739136.

The previous prime is 118977011. The next prime is 118977017. The reversal of 118977015 is 510779811.

It is not a de Polignac number, because 118977015 - 2² = 118977011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118977011) 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, 106632 + ... + 107741.

It is an arithmetic number, because the mean of its divisors is an integer number (12219318).

Almost surely, 2^118977015 is an apocalyptic number.

118977015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118977015 is a deficient number, since it is larger than the sum of its proper divisors (76532073).

118977015 is a wasteful number, since it uses less digits than its factorization.

118977015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214418.

The product of its (nonzero) digits is 17640, while the sum is 39.

The square root of 118977015 is about 10907.6585480111. The cubic root of 118977015 is about 491.8368030682.

The spelling of 118977015 in words is "one hundred eighteen million, nine hundred seventy-seven thousand, fifteen".