120566613 has 4 divisors (see below), whose sum is σ = 160755488. Its totient is φ = 80377740.

The previous prime is 120566569. The next prime is 120566627. The reversal of 120566613 is 316665021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 120566613 - 2¹⁰ = 120565589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120566513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20094433 + ... + 20094438.

It is an arithmetic number, because the mean of its divisors is an integer number (40188872).

Almost surely, 2^120566613 is an apocalyptic number.

It is an amenable number.

120566613 is a deficient number, since it is larger than the sum of its proper divisors (40188875).

120566613 is an equidigital number, since it uses as much as digits as its factorization.

120566613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40188874.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 120566613 is about 10980.2829198523. The cubic root of 120566613 is about 494.0175227493.

The spelling of 120566613 in words is "one hundred twenty million, five hundred sixty-six thousand, six hundred thirteen".