118102863 has 4 divisors (see below), whose sum is σ = 157470488. Its totient is φ = 78735240.

The previous prime is 118102849. The next prime is 118102949. The reversal of 118102863 is 368201811.

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

It is not a de Polignac number, because 118102863 - 2⁴ = 118102847 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 118102863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118102813) 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, 19683808 + ... + 19683813.

It is an arithmetic number, because the mean of its divisors is an integer number (39367622).

Almost surely, 2^118102863 is an apocalyptic number.

118102863 is a deficient number, since it is larger than the sum of its proper divisors (39367625).

118102863 is an equidigital number, since it uses as much as digits as its factorization.

118102863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39367624.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 118102863 is about 10867.5141131723. The cubic root of 118102863 is about 490.6292942029.

The spelling of 118102863 in words is "one hundred eighteen million, one hundred two thousand, eight hundred sixty-three".