1296294859 has 2 divisors, whose sum is σ = 1296294860. Its totient is φ = 1296294858.

The previous prime is 1296294847. The next prime is 1296294871. The reversal of 1296294859 is 9584926921.

It is a balanced prime because it is at equal distance from previous prime (1296294847) and next prime (1296294871).

It is a cyclic number.

It is not a de Polignac number, because 1296294859 - 2⁷ = 1296294731 is a prime.

It is a super-2 number, since 2×1296294859² = 3360760722939659762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1296294059) 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, 648147429 + 648147430.

It is an arithmetic number, because the mean of its divisors is an integer number (648147430).

Almost surely, 2^1296294859 is an apocalyptic number.

1296294859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1296294859 is an equidigital number, since it uses as much as digits as its factorization.

1296294859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 55.

The square root of 1296294859 is about 36004.0950309822. The cubic root of 1296294859 is about 1090.3550337444.

The spelling of 1296294859 in words is "one billion, two hundred ninety-six million, two hundred ninety-four thousand, eight hundred fifty-nine".