120990499 has 16 divisors (see below), whose sum is σ = 146471680. Its totient is φ = 97627680.

The previous prime is 120990473. The next prime is 120990503. The reversal of 120990499 is 994099021.

It is a cyclic number.

It is not a de Polignac number, because 120990499 - 2⁷ = 120990371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120990439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18889 + ... + 24469.

It is an arithmetic number, because the mean of its divisors is an integer number (9154480).

Almost surely, 2^120990499 is an apocalyptic number.

120990499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

120990499 is a deficient number, since it is larger than the sum of its proper divisors (25481181).

120990499 is a wasteful number, since it uses less digits than its factorization.

120990499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 120990499 is about 10999.5681278857. The cubic root of 120990499 is about 494.5957983175.

The spelling of 120990499 in words is "one hundred twenty million, nine hundred ninety thousand, four hundred ninety-nine".