120798 has 16 divisors (see below), whose sum is σ = 268560. Its totient is φ = 40248.

The previous prime is 120779. The next prime is 120811. The reversal of 120798 is 897021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

120798 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 1065 + ... + 1172.

It is an arithmetic number, because the mean of its divisors is an integer number (16785).

2¹²⁰⁷⁹⁸ is an apocalyptic number.

120798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

120798 is an abundant number, since it is smaller than the sum of its proper divisors (147762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120798 is a wasteful number, since it uses less digits than its factorization.

120798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248 (or 2242 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 120798 is about 347.5600667511. The cubic root of 120798 is about 49.4333354199.

The spelling of 120798 in words is "one hundred twenty thousand, seven hundred ninety-eight".