1290341317 has 2 divisors, whose sum is σ = 1290341318. Its totient is φ = 1290341316.

The previous prime is 1290341279. The next prime is 1290341329. The reversal of 1290341317 is 7131430921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1080699876 + 209641441 = 32874^2 + 14479^2 .

It is a cyclic number.

It is not a de Polignac number, because 1290341317 - 2¹⁹ = 1289817029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1290341347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645170658 + 645170659.

It is an arithmetic number, because the mean of its divisors is an integer number (645170659).

Almost surely, 2^1290341317 is an apocalyptic number.

It is an amenable number.

1290341317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290341317 is an equidigital number, since it uses as much as digits as its factorization.

1290341317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1290341317 is about 35921.3212034301. The cubic root of 1290341317 is about 1088.6832335987.

The spelling of 1290341317 in words is "one billion, two hundred ninety million, three hundred forty-one thousand, three hundred seventeen".