118899481 has 4 divisors (see below), whose sum is σ = 118951092. Its totient is φ = 118847872.

The previous prime is 118899437. The next prime is 118899493. The reversal of 118899481 is 184998811.

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 97693456 + 21206025 = 9884^2 + 4605^2 .

It is a cyclic number.

It is not a de Polignac number, because 118899481 - 2¹¹ = 118897433 is a prime.

It is a super-2 number, since 2×118899481² = 28274173164138722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118899421) 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, 22180 + ... + 27013.

It is an arithmetic number, because the mean of its divisors is an integer number (29737773).

Almost surely, 2^118899481 is an apocalyptic number.

It is an amenable number.

118899481 is a deficient number, since it is larger than the sum of its proper divisors (51611).

118899481 is an equidigital number, since it uses as much as digits as its factorization.

118899481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51610.

The product of its digits is 165888, while the sum is 49.

The square root of 118899481 is about 10904.1038604738. The cubic root of 118899481 is about 491.7299410794.

The spelling of 118899481 in words is "one hundred eighteen million, eight hundred ninety-nine thousand, four hundred eighty-one".