118621444 has 12 divisors (see below), whose sum is σ = 219798684. Its totient is φ = 55821824.

The previous prime is 118621441. The next prime is 118621453. The reversal of 118621444 is 444126811.

It can be written as a sum of positive squares in 2 ways, for example, as 89870400 + 28751044 = 9480^2 + 5362^2 .

It is not an unprimeable number, because it can be changed into a prime (118621441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872149 + ... + 872284.

It is an arithmetic number, because the mean of its divisors is an integer number (18316557).

Almost surely, 2^118621444 is an apocalyptic number.

It is an amenable number.

118621444 is a deficient number, since it is larger than the sum of its proper divisors (101177240).

118621444 is a wasteful number, since it uses less digits than its factorization.

118621444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744454 (or 1744452 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 118621444 is about 10891.3472077608. The cubic root of 118621444 is about 491.3463514453.

The spelling of 118621444 in words is "one hundred eighteen million, six hundred twenty-one thousand, four hundred forty-four".