120989798 has 16 divisors (see below), whose sum is σ = 195907680. Its totient is φ = 55868736.

The previous prime is 120989773. The next prime is 120989839. The reversal of 120989798 is 897989021.

It is a super-3 number, since 3×120989798³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 44015 + ... + 46682.

It is an arithmetic number, because the mean of its divisors is an integer number (12244230).

Almost surely, 2^120989798 is an apocalyptic number.

120989798 is a deficient number, since it is larger than the sum of its proper divisors (74917882).

120989798 is a wasteful number, since it uses less digits than its factorization.

120989798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90751.

The product of its (nonzero) digits is 653184, while the sum is 53.

The square root of 120989798 is about 10999.5362629522. The cubic root of 120989798 is about 494.5948431121.

The spelling of 120989798 in words is "one hundred twenty million, nine hundred eighty-nine thousand, seven hundred ninety-eight".