118997499 has 16 divisors (see below), whose sum is σ = 164080640. Its totient is φ = 76632480.

The previous prime is 118997497. The next prime is 118997503. The reversal of 118997499 is 994799811.

It is not a de Polignac number, because 118997499 - 2¹ = 118997497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118997497) 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 15 ways as a sum of consecutive naturals, for example, 80832 + ... + 82290.

It is an arithmetic number, because the mean of its divisors is an integer number (10255040).

Almost surely, 2^118997499 is an apocalyptic number.

118997499 is a deficient number, since it is larger than the sum of its proper divisors (45083141).

118997499 is a wasteful number, since it uses less digits than its factorization.

118997499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370.

The product of its digits is 1469664, while the sum is 57.

The square root of 118997499 is about 10908.5974808863. The cubic root of 118997499 is about 491.8650275869.

The spelling of 118997499 in words is "one hundred eighteen million, nine hundred ninety-seven thousand, four hundred ninety-nine".