120791213 has 2 divisors, whose sum is σ = 120791214. Its totient is φ = 120791212.

The previous prime is 120791191. The next prime is 120791233. The reversal of 120791213 is 312197021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79085449 + 41705764 = 8893^2 + 6458^2 .

It is an emirp because it is prime and its reverse (312197021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120791213 - 2⁶ = 120791149 is a prime.

It is a super-2 number, since 2×120791213² = 29181034276022738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120791233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60395606 + 60395607.

It is an arithmetic number, because the mean of its divisors is an integer number (60395607).

Almost surely, 2^120791213 is an apocalyptic number.

It is an amenable number.

120791213 is a deficient number, since it is larger than the sum of its proper divisors (1).

120791213 is an equidigital number, since it uses as much as digits as its factorization.

120791213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 120791213 is about 10990.5055843669. The cubic root of 120791213 is about 494.3240960340.

The spelling of 120791213 in words is "one hundred twenty million, seven hundred ninety-one thousand, two hundred thirteen".