118243572 has 12 divisors (see below), whose sum is σ = 275901696. Its totient is φ = 39414520.

The previous prime is 118243571. The next prime is 118243589. The reversal of 118243572 is 275342811.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118243571) by changing a digit.

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, 4926804 + ... + 4926827.

It is an arithmetic number, because the mean of its divisors is an integer number (22991808).

Almost surely, 2^118243572 is an apocalyptic number.

118243572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

118243572 is an abundant number, since it is smaller than the sum of its proper divisors (157658124).

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

118243572 is a wasteful number, since it uses less digits than its factorization.

118243572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9853638 (or 9853636 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 118243572 is about 10873.9860216942. The cubic root of 118243572 is about 490.8240638498.

The spelling of 118243572 in words is "one hundred eighteen million, two hundred forty-three thousand, five hundred seventy-two".