118655642 has 16 divisors (see below), whose sum is σ = 203616960. Its totient is φ = 50800608.

The previous prime is 118655629. The next prime is 118655651. The reversal of 118655642 is 246556811.

It is a happy number.

It is a super-2 number, since 2×118655642² = 28158322756864328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118655596 and 118655605.

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, 12053 + ... + 19559.

It is an arithmetic number, because the mean of its divisors is an integer number (12726060).

Almost surely, 2^118655642 is an apocalyptic number.

118655642 is a deficient number, since it is larger than the sum of its proper divisors (84961318).

118655642 is a wasteful number, since it uses less digits than its factorization.

118655642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8645.

The product of its digits is 57600, while the sum is 38.

The square root of 118655642 is about 10892.9170565097. The cubic root of 118655642 is about 491.3935645165.

The spelling of 118655642 in words is "one hundred eighteen million, six hundred fifty-five thousand, six hundred forty-two".