120490902 has 120 divisors (see below), whose sum is σ = 322283016. Its totient is φ = 33530112.

The previous prime is 120490891. The next prime is 120490943. The reversal of 120490902 is 209094021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 341158 + ... + 341510.

Almost surely, 2^120490902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120490902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161141508).

120490902 is an abundant number, since it is smaller than the sum of its proper divisors (201792114).

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

120490902 is a wasteful number, since it uses less digits than its factorization.

120490902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 120490902 is about 10976.8347896832. The cubic root of 120490902 is about 493.9140933627.

The spelling of 120490902 in words is "one hundred twenty million, four hundred ninety thousand, nine hundred two".