1297004369 has 2 divisors, whose sum is σ = 1297004370. Its totient is φ = 1297004368.

The previous prime is 1297004351. The next prime is 1297004377. The reversal of 1297004369 is 9634007921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1223250625 + 73753744 = 34975^2 + 8588^2 .

It is a cyclic number.

It is not a de Polignac number, because 1297004369 - 2¹⁶ = 1296938833 is a prime.

It is a super-2 number, since 2×1297004369² = 3364440666410176322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1297004869) 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 as a sum of consecutive naturals, namely, 648502184 + 648502185.

It is an arithmetic number, because the mean of its divisors is an integer number (648502185).

Almost surely, 2^1297004369 is an apocalyptic number.

It is an amenable number.

1297004369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1297004369 is an equidigital number, since it uses as much as digits as its factorization.

1297004369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 1297004369 is about 36013.9468678455. The cubic root of 1297004369 is about 1090.5539279734.

The spelling of 1297004369 in words is "one billion, two hundred ninety-seven million, four thousand, three hundred sixty-nine".