120563615 has 8 divisors (see below), whose sum is σ = 148041168. Its totient is φ = 94207680.

The previous prime is 120563603. The next prime is 120563621. The reversal of 120563615 is 516365021.

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

It is not a de Polignac number, because 120563615 - 2⁶ = 120563551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 280166 + ... + 280595.

It is an arithmetic number, because the mean of its divisors is an integer number (18505146).

Almost surely, 2^120563615 is an apocalyptic number.

120563615 is a deficient number, since it is larger than the sum of its proper divisors (27477553).

120563615 is an equidigital number, since it uses as much as digits as its factorization.

120563615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560809.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 120563615 is about 10980.1464015741. The cubic root of 120563615 is about 494.0134279816.

The spelling of 120563615 in words is "one hundred twenty million, five hundred sixty-three thousand, six hundred fifteen".