118439057 has 16 divisors (see below), whose sum is σ = 131328000. Its totient is φ = 105920640.

The previous prime is 118439053. The next prime is 118439117. The reversal of 118439057 is 750934811.

It is a cyclic number.

It is not a de Polignac number, because 118439057 - 2² = 118439053 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 118439057.

It is not an unprimeable number, because it can be changed into a prime (118439053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207869 + ... + 208437.

It is an arithmetic number, because the mean of its divisors is an integer number (8208000).

Almost surely, 2^118439057 is an apocalyptic number.

It is an amenable number.

118439057 is a deficient number, since it is larger than the sum of its proper divisors (12888943).

118439057 is a wasteful number, since it uses less digits than its factorization.

118439057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 118439057 is about 10882.9709638499. The cubic root of 118439057 is about 491.0943982496.

The spelling of 118439057 in words is "one hundred eighteen million, four hundred thirty-nine thousand, fifty-seven".