1320294337 has 2 divisors, whose sum is σ = 1320294338. Its totient is φ = 1320294336.

The previous prime is 1320294301. The next prime is 1320294359. The reversal of 1320294337 is 7334920231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1105496001 + 214798336 = 33249^2 + 14656^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320294337 - 2¹¹ = 1320292289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320294637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660147168 + 660147169.

It is an arithmetic number, because the mean of its divisors is an integer number (660147169).

Almost surely, 2^1320294337 is an apocalyptic number.

It is an amenable number.

1320294337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320294337 is an equidigital number, since it uses as much as digits as its factorization.

1320294337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 1320294337 is about 36335.8547030340. The cubic root of 1320294337 is about 1097.0428388465.

The spelling of 1320294337 in words is "one billion, three hundred twenty million, two hundred ninety-four thousand, three hundred thirty-seven".