118990571 has 6 divisors (see below), whose sum is σ = 138417660. Its totient is φ = 101991876.

The previous prime is 118990549. The next prime is 118990577. The reversal of 118990571 is 175099811.

It is not a de Polignac number, because 118990571 - 2⁶ = 118990507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118990577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1214141 + ... + 1214238.

It is an arithmetic number, because the mean of its divisors is an integer number (23069610).

Almost surely, 2^118990571 is an apocalyptic number.

118990571 is a deficient number, since it is larger than the sum of its proper divisors (19427089).

118990571 is an equidigital number, since it uses as much as digits as its factorization.

118990571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428393 (or 2428386 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 41.

The square root of 118990571 is about 10908.2799285680. The cubic root of 118990571 is about 491.8554819884.

The spelling of 118990571 in words is "one hundred eighteen million, nine hundred ninety thousand, five hundred seventy-one".