120520499 has 8 divisors (see below), whose sum is σ = 132349440. Its totient is φ = 108837000.

The previous prime is 120520487. The next prime is 120520523. The reversal of 120520499 is 994025021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120520499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120520409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34619 + ... + 37940.

It is an arithmetic number, because the mean of its divisors is an integer number (16543680).

Almost surely, 2^120520499 is an apocalyptic number.

120520499 is a deficient number, since it is larger than the sum of its proper divisors (11828941).

120520499 is a wasteful number, since it uses less digits than its factorization.

120520499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72721.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 120520499 is about 10978.1828642084. The cubic root of 120520499 is about 493.9545312115.

The spelling of 120520499 in words is "one hundred twenty million, five hundred twenty thousand, four hundred ninety-nine".