118651265 has 16 divisors (see below), whose sum is σ = 146880000. Its totient is φ = 91963200.

The previous prime is 118651261. The next prime is 118651303. The reversal of 118651265 is 562156811.

It is a happy number.

It is not a de Polignac number, because 118651265 - 2² = 118651261 is a prime.

It is a super-2 number, since 2×118651265² = 28156245372200450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118651261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21236 + ... + 26234.

It is an arithmetic number, because the mean of its divisors is an integer number (9180000).

Almost surely, 2^118651265 is an apocalyptic number.

It is an amenable number.

118651265 is a deficient number, since it is larger than the sum of its proper divisors (28228735).

118651265 is a wasteful number, since it uses less digits than its factorization.

118651265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5152.

The product of its digits is 14400, while the sum is 35.

The square root of 118651265 is about 10892.7161442865. The cubic root of 118651265 is about 491.3875222246.

The spelling of 118651265 in words is "one hundred eighteen million, six hundred fifty-one thousand, two hundred sixty-five".