120813793 has 4 divisors (see below), whose sum is σ = 120979348. Its totient is φ = 120648240.

The previous prime is 120813773. The next prime is 120813817. The reversal of 120813793 is 397318021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78978769 + 41835024 = 8887^2 + 6468^2 .

It is a cyclic number.

It is not a de Polignac number, because 120813793 - 2⁹ = 120813281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120813743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81678 + ... + 83143.

It is an arithmetic number, because the mean of its divisors is an integer number (30244837).

Almost surely, 2^120813793 is an apocalyptic number.

It is an amenable number.

120813793 is a deficient number, since it is larger than the sum of its proper divisors (165555).

120813793 is an equidigital number, since it uses as much as digits as its factorization.

120813793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165554.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 120813793 is about 10991.5327866499. The cubic root of 120813793 is about 494.3548961294.

The spelling of 120813793 in words is "one hundred twenty million, eight hundred thirteen thousand, seven hundred ninety-three".