1320717297 has 8 divisors (see below), whose sum is σ = 1803906720. Its totient is φ = 859003040.

The previous prime is 1320717289. The next prime is 1320717317. The reversal of 1320717297 is 7927170231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320717297 - 2³ = 1320717289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320717287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5368647 + ... + 5368892.

It is an arithmetic number, because the mean of its divisors is an integer number (225488340).

Almost surely, 2^1320717297 is an apocalyptic number.

It is an amenable number.

1320717297 is a deficient number, since it is larger than the sum of its proper divisors (483189423).

1320717297 is a wasteful number, since it uses less digits than its factorization.

1320717297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10737583.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 1320717297 is about 36341.6743835504. The cubic root of 1320717297 is about 1097.1599732578.

The spelling of 1320717297 in words is "one billion, three hundred twenty million, seven hundred seventeen thousand, two hundred ninety-seven".