118130978 has 16 divisors (see below), whose sum is σ = 209494080. Its totient is φ = 48881616.

The previous prime is 118130927. The next prime is 118130993. The reversal of 118130978 is 879031811.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145076 + ... + 145887.

It is an arithmetic number, because the mean of its divisors is an integer number (13093380).

Almost surely, 2^118130978 is an apocalyptic number.

118130978 is a deficient number, since it is larger than the sum of its proper divisors (91363102).

118130978 is a wasteful number, since it uses less digits than its factorization.

118130978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291001.

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 118130978 is about 10868.8075702903. The cubic root of 118130978 is about 490.6682233979.

The spelling of 118130978 in words is "one hundred eighteen million, one hundred thirty thousand, nine hundred seventy-eight".