118298491 has 8 divisors (see below), whose sum is σ = 120934944. Its totient is φ = 115677120.

The previous prime is 118298447. The next prime is 118298513. The reversal of 118298491 is 194892811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118298491 - 2⁹ = 118297979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118293491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12895 + ... + 20071.

It is an arithmetic number, because the mean of its divisors is an integer number (15116868).

Almost surely, 2^118298491 is an apocalyptic number.

118298491 is a deficient number, since it is larger than the sum of its proper divisors (2636453).

118298491 is an equidigital number, since it uses as much as digits as its factorization.

118298491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541.

The product of its digits is 41472, while the sum is 43.

The square root of 118298491 is about 10876.5109754921. The cubic root of 118298491 is about 490.9000409033.

The spelling of 118298491 in words is "one hundred eighteen million, two hundred ninety-eight thousand, four hundred ninety-one".