120789313 has 2 divisors, whose sum is σ = 120789314. Its totient is φ = 120789312.

The previous prime is 120789311. The next prime is 120789323. The reversal of 120789313 is 313987021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73564929 + 47224384 = 8577^2 + 6872^2 .

It is a cyclic number.

It is not a de Polignac number, because 120789313 - 2¹ = 120789311 is a prime.

Together with 120789311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120789311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60394656 + 60394657.

It is an arithmetic number, because the mean of its divisors is an integer number (60394657).

Almost surely, 2^120789313 is an apocalyptic number.

It is an amenable number.

120789313 is a deficient number, since it is larger than the sum of its proper divisors (1).

120789313 is an equidigital number, since it uses as much as digits as its factorization.

120789313 is an evil number, because the sum of its binary digits is even.

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

The square root of 120789313 is about 10990.4191457833. The cubic root of 120789313 is about 494.3215041769.

The spelling of 120789313 in words is "one hundred twenty million, seven hundred eighty-nine thousand, three hundred thirteen".