120576491309 has 2 divisors, whose sum is σ = 120576491310. Its totient is φ = 120576491308.

The previous prime is 120576491279. The next prime is 120576491317. The reversal of 120576491309 is 903194675021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89742184900 + 30834306409 = 299570^2 + 175597^2 .

It is a cyclic number.

It is not a de Polignac number, because 120576491309 - 2⁸ = 120576491053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120576491369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60288245654 + 60288245655.

It is an arithmetic number, because the mean of its divisors is an integer number (60288245655).

Almost surely, 2^120576491309 is an apocalyptic number.

It is an amenable number.

120576491309 is a deficient number, since it is larger than the sum of its proper divisors (1).

120576491309 is an equidigital number, since it uses as much as digits as its factorization.

120576491309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 120576491309 in words is "one hundred twenty billion, five hundred seventy-six million, four hundred ninety-one thousand, three hundred nine".