118285642 has 8 divisors (see below), whose sum is σ = 185142816. Its totient is φ = 56571372.

The previous prime is 118285639. The next prime is 118285669. The reversal of 118285642 is 246582811.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1285668 + ... + 1285759.

It is an arithmetic number, because the mean of its divisors is an integer number (23142852).

Almost surely, 2^118285642 is an apocalyptic number.

118285642 is a deficient number, since it is larger than the sum of its proper divisors (66857174).

118285642 is a wasteful number, since it uses less digits than its factorization.

118285642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571452.

The product of its digits is 30720, while the sum is 37.

The square root of 118285642 is about 10875.9202829002. The cubic root of 118285642 is about 490.8822672108.

The spelling of 118285642 in words is "one hundred eighteen million, two hundred eighty-five thousand, six hundred forty-two".