118872085 has 4 divisors (see below), whose sum is σ = 142646508. Its totient is φ = 95097664.

The previous prime is 118872067. The next prime is 118872107. The reversal of 118872085 is 580278811.

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 20921476 + 97950609 = 4574^2 + 9897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118872085 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 11887204 + ... + 11887213.

It is an arithmetic number, because the mean of its divisors is an integer number (35661627).

Almost surely, 2^118872085 is an apocalyptic number.

It is an amenable number.

118872085 is a deficient number, since it is larger than the sum of its proper divisors (23774423).

118872085 is an equidigital number, since it uses as much as digits as its factorization.

118872085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23774422.

The product of its (nonzero) digits is 35840, while the sum is 40.

The square root of 118872085 is about 10902.8475638248. The cubic root of 118872085 is about 491.6921711689.

The spelling of 118872085 in words is "one hundred eighteen million, eight hundred seventy-two thousand, eighty-five".