118031427 has 6 divisors (see below), whose sum is σ = 170489852. Its totient is φ = 78687612.

The previous prime is 118031399. The next prime is 118031449. The reversal of 118031427 is 724130811.

It is not a de Polignac number, because 118031427 - 2⁷ = 118031299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118031427.

It is not an unprimeable number, because it can be changed into a prime (118031027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6557293 + ... + 6557310.

Almost surely, 2^118031427 is an apocalyptic number.

118031427 is a deficient number, since it is larger than the sum of its proper divisors (52458425).

118031427 is a wasteful number, since it uses less digits than its factorization.

118031427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13114609 (or 13114606 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 118031427 is about 10864.2269398241. The cubic root of 118031427 is about 490.5303531547.

The spelling of 118031427 in words is "one hundred eighteen million, thirty-one thousand, four hundred twenty-seven".