118198929 has 4 divisors (see below), whose sum is σ = 157598576. Its totient is φ = 78799284.

The previous prime is 118198919. The next prime is 118198933. The reversal of 118198929 is 929891811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 118198929 - 2⁵ = 118198897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118198919) 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, 19699819 + ... + 19699824.

It is an arithmetic number, because the mean of its divisors is an integer number (39399644).

Almost surely, 2^118198929 is an apocalyptic number.

It is an amenable number.

118198929 is a deficient number, since it is larger than the sum of its proper divisors (39399647).

118198929 is an equidigital number, since it uses as much as digits as its factorization.

118198929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39399646.

The product of its digits is 93312, while the sum is 48.

The square root of 118198929 is about 10871.9330847830. The cubic root of 118198929 is about 490.7622856730.

The spelling of 118198929 in words is "one hundred eighteen million, one hundred ninety-eight thousand, nine hundred twenty-nine".