1297339922 has 6 divisors (see below), whose sum is σ = 1946086293. Its totient is φ = 648644492.

The previous prime is 1297339913. The next prime is 1297339933. The reversal of 1297339922 is 2299337921.

It can be written as a sum of positive squares in 2 ways, for example, as 1180678321 + 116661601 = 34361^2 + 10801^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=25469.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 38204 + ... + 63672.

Almost surely, 2^1297339922 is an apocalyptic number.

1297339922 is a deficient number, since it is larger than the sum of its proper divisors (648746371).

1297339922 is an frugal number, since it uses more digits than its factorization.

1297339922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50940 (or 25471 counting only the distinct ones).

The product of its digits is 367416, while the sum is 47.

The square root of 1297339922 is about 36018.6052200804. The cubic root of 1297339922 is about 1090.6479670010.

The spelling of 1297339922 in words is "one billion, two hundred ninety-seven million, three hundred thirty-nine thousand, nine hundred twenty-two".