118691442 has 24 divisors (see below), whose sum is σ = 270700560. Its totient is φ = 37481400.

The previous prime is 118691429. The next prime is 118691459. The reversal of 118691442 is 244196811.

It is a junction number, because it is equal to n+sod(n) for n = 118691397 and 118691406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173184 + ... + 173867.

It is an arithmetic number, because the mean of its divisors is an integer number (11279190).

Almost surely, 2^118691442 is an apocalyptic number.

118691442 is an abundant number, since it is smaller than the sum of its proper divisors (152009118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118691442 is a wasteful number, since it uses less digits than its factorization.

118691442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347078 (or 347075 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 118691442 is about 10894.5602022294. The cubic root of 118691442 is about 491.4429795587.

The spelling of 118691442 in words is "one hundred eighteen million, six hundred ninety-one thousand, four hundred forty-two".