118236265 has 12 divisors (see below), whose sum is σ = 165048516. Its totient is φ = 81076128.

The previous prime is 118236227. The next prime is 118236271. The reversal of 118236265 is 562632811.

It can be written as a sum of positive squares in 2 ways, for example, as 90231001 + 28005264 = 9499^2 + 5292^2 .

It is not a de Polignac number, because 118236265 - 2⁷ = 118236137 is a prime.

It is a super-2 number, since 2×118236265² = 27959628722300450, which contains 22 as substring.

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 118236265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241054 + ... + 241543.

It is an arithmetic number, because the mean of its divisors is an integer number (13754043).

Almost surely, 2^118236265 is an apocalyptic number.

It is an amenable number.

118236265 is a deficient number, since it is larger than the sum of its proper divisors (46812251).

118236265 is an equidigital number, since it uses as much as digits as its factorization.

118236265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482616 (or 482609 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 118236265 is about 10873.6500311533. The cubic root of 118236265 is about 490.8139532922.

The spelling of 118236265 in words is "one hundred eighteen million, two hundred thirty-six thousand, two hundred sixty-five".