118534512 has 20 divisors (see below), whose sum is σ = 306214280. Its totient is φ = 39511488.

The previous prime is 118534487. The next prime is 118534543. The reversal of 118534512 is 215435811.

It is a self number, because there is not a number n which added to its sum of digits gives 118534512.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1234687 + ... + 1234782.

It is an arithmetic number, because the mean of its divisors is an integer number (15310714).

Almost surely, 2^118534512 is an apocalyptic number.

118534512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

118534512 is an abundant number, since it is smaller than the sum of its proper divisors (187679768).

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

118534512 is a wasteful number, since it uses less digits than its factorization.

118534512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469480 (or 2469474 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 118534512 is about 10887.3556017979. The cubic root of 118534512 is about 491.2262940085.

The spelling of 118534512 in words is "one hundred eighteen million, five hundred thirty-four thousand, five hundred twelve".