120818490 has 64 divisors (see below), whose sum is σ = 330656256. Its totient is φ = 27988992.

The previous prime is 120818459. The next prime is 120818497. The reversal of 120818490 is 94818021.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120818497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2482 + ... + 15741.

It is an arithmetic number, because the mean of its divisors is an integer number (5166504).

Almost surely, 2^120818490 is an apocalyptic number.

120818490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120818490 is an abundant number, since it is smaller than the sum of its proper divisors (209837766).

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

120818490 is a wasteful number, since it uses less digits than its factorization.

120818490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18263.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 120818490 is about 10991.7464490408. The cubic root of 120818490 is about 494.3613025581.

The spelling of 120818490 in words is "one hundred twenty million, eight hundred eighteen thousand, four hundred ninety".