120198499 has 4 divisors (see below), whose sum is σ = 120501664. Its totient is φ = 119895336.

The previous prime is 120198467. The next prime is 120198521. The reversal of 120198499 is 994891021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120198499 - 2⁵ = 120198467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120198899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150987 + ... + 151780.

It is an arithmetic number, because the mean of its divisors is an integer number (30125416).

Almost surely, 2^120198499 is an apocalyptic number.

120198499 is a deficient number, since it is larger than the sum of its proper divisors (303165).

120198499 is an equidigital number, since it uses as much as digits as its factorization.

120198499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303164.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 120198499 is about 10963.5076047769. The cubic root of 120198499 is about 493.5142320619.

The spelling of 120198499 in words is "one hundred twenty million, one hundred ninety-eight thousand, four hundred ninety-nine".