118233481 has 4 divisors (see below), whose sum is σ = 118287252. Its totient is φ = 118179712.

The previous prime is 118233469. The next prime is 118233497. The reversal of 118233481 is 184332811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34327881 + 83905600 = 5859^2 + 9160^2 .

It is a cyclic number.

It is not a de Polignac number, because 118233481 - 2⁵ = 118233449 is a prime.

It is a super-2 number, since 2×118233481² = 27958312058754722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118233421) 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, 23440 + ... + 28033.

It is an arithmetic number, because the mean of its divisors is an integer number (29571813).

Almost surely, 2^118233481 is an apocalyptic number.

It is an amenable number.

118233481 is a deficient number, since it is larger than the sum of its proper divisors (53771).

118233481 is an equidigital number, since it uses as much as digits as its factorization.

118233481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53770.

The product of its digits is 4608, while the sum is 31.

The square root of 118233481 is about 10873.5220145085. The cubic root of 118233481 is about 490.8101010146.

The spelling of 118233481 in words is "one hundred eighteen million, two hundred thirty-three thousand, four hundred eighty-one".