118868905 has 4 divisors (see below), whose sum is σ = 142642692. Its totient is φ = 95095120.

The previous prime is 118868887. The next prime is 118868909. The reversal of 118868905 is 509868811.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62678889 + 56190016 = 7917^2 + 7496^2 .

It is a de Polignac number, because none of the positive numbers 2^k-118868905 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118868909) 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, 11886886 + ... + 11886895.

It is an arithmetic number, because the mean of its divisors is an integer number (35660673).

Almost surely, 2^118868905 is an apocalyptic number.

It is an amenable number.

118868905 is a deficient number, since it is larger than the sum of its proper divisors (23773787).

118868905 is an equidigital number, since it uses as much as digits as its factorization.

118868905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23773786.

The product of its (nonzero) digits is 138240, while the sum is 46.

The square root of 118868905 is about 10902.7017293880. The cubic root of 118868905 is about 491.6877866378.

The spelling of 118868905 in words is "one hundred eighteen million, eight hundred sixty-eight thousand, nine hundred five".