118121536 has 84 divisors (see below), whose sum is σ = 259183632. Its totient is φ = 53374464.

The previous prime is 118121503. The next prime is 118121543. The reversal of 118121536 is 635121811.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 118121536 = 168³ + 484³ = 196³ + 480³.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 724591 + ... + 724753.

Almost surely, 2^118121536 is an apocalyptic number.

118121536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118121536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129591816).

118121536 is an abundant number, since it is smaller than the sum of its proper divisors (141062096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118121536 is a wasteful number, since it uses less digits than its factorization.

118121536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 245 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 118121536 is about 10868.3731993339. The cubic root of 118121536 is about 490.6551503021.

The spelling of 118121536 in words is "one hundred eighteen million, one hundred twenty-one thousand, five hundred thirty-six".