118039087 has 4 divisors (see below), whose sum is σ = 119974216. Its totient is φ = 116103960.

The previous prime is 118039073. The next prime is 118039093. The reversal of 118039087 is 780930811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118039087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118039027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967473 + ... + 967594.

It is an arithmetic number, because the mean of its divisors is an integer number (29993554).

Almost surely, 2^118039087 is an apocalyptic number.

118039087 is a deficient number, since it is larger than the sum of its proper divisors (1935129).

118039087 is an equidigital number, since it uses as much as digits as its factorization.

118039087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935128.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 118039087 is about 10864.5794672412. The cubic root of 118039087 is about 490.5409643999.

Adding to 118039087 its reverse (780930811), we get a palindrome (898969898).

The spelling of 118039087 in words is "one hundred eighteen million, thirty-nine thousand, eighty-seven".