118130565 has 16 divisors (see below), whose sum is σ = 216010368. Its totient is φ = 54002496.

The previous prime is 118130561. The next prime is 118130591. The reversal of 118130565 is 565031811.

It is not a de Polignac number, because 118130565 - 2² = 118130561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118130561) 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, 562422 + ... + 562631.

It is an arithmetic number, because the mean of its divisors is an integer number (13500648).

Almost surely, 2^118130565 is an apocalyptic number.

118130565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118130565 is a deficient number, since it is larger than the sum of its proper divisors (97879803).

118130565 is a wasteful number, since it uses less digits than its factorization.

118130565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125068.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 118130565 is about 10868.7885709494. The cubic root of 118130565 is about 490.6676515857.

The spelling of 118130565 in words is "one hundred eighteen million, one hundred thirty thousand, five hundred sixty-five".