1298294797 has 2 divisors, whose sum is σ = 1298294798. Its totient is φ = 1298294796.

The previous prime is 1298294791. The next prime is 1298294827. The reversal of 1298294797 is 7974928921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1042902436 + 255392361 = 32294^2 + 15981^2 .

It is a cyclic number.

It is not a de Polignac number, because 1298294797 - 2²⁷ = 1164077069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1298294791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649147398 + 649147399.

It is an arithmetic number, because the mean of its divisors is an integer number (649147399).

Almost surely, 2^1298294797 is an apocalyptic number.

It is an amenable number.

1298294797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298294797 is an equidigital number, since it uses as much as digits as its factorization.

1298294797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 58.

The square root of 1298294797 is about 36031.8580842010. The cubic root of 1298294797 is about 1090.9154828765.

The spelling of 1298294797 in words is "one billion, two hundred ninety-eight million, two hundred ninety-four thousand, seven hundred ninety-seven".