120197998 has 8 divisors (see below), whose sum is σ = 180386280. Its totient is φ = 60069240.

The previous prime is 120197983. The next prime is 120198037. The reversal of 120197998 is 899791021.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9433 + ... + 18148.

It is an arithmetic number, because the mean of its divisors is an integer number (22548285).

Almost surely, 2^120197998 is an apocalyptic number.

120197998 is a deficient number, since it is larger than the sum of its proper divisors (60188282).

120197998 is a wasteful number, since it uses less digits than its factorization.

120197998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29762.

The product of its (nonzero) digits is 81648, while the sum is 46.

The square root of 120197998 is about 10963.4847562260. The cubic root of 120197998 is about 493.5135463878.

It can be divided in two parts, 1201 and 97998, that added together give a palindrome (99199).

The spelling of 120197998 in words is "one hundred twenty million, one hundred ninety-seven thousand, nine hundred ninety-eight".