1298510963 has 2 divisors, whose sum is σ = 1298510964. Its totient is φ = 1298510962.

The previous prime is 1298510953. The next prime is 1298511007. The reversal of 1298510963 is 3690158921.

It is a happy number.

It is an a-pointer prime, because the next prime (1298511007) can be obtained adding 1298510963 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1298510963 - 2¹⁰ = 1298509939 is a prime.

It is a super-2 number, since 2×1298510963² = 3372261442062374738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1298510923) 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, 649255481 + 649255482.

It is an arithmetic number, because the mean of its divisors is an integer number (649255482).

Almost surely, 2^1298510963 is an apocalyptic number.

1298510963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298510963 is an equidigital number, since it uses as much as digits as its factorization.

1298510963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 1298510963 is about 36034.8576103750. The cubic root of 1298510963 is about 1090.9760253024.

The spelling of 1298510963 in words is "one billion, two hundred ninety-eight million, five hundred ten thousand, nine hundred sixty-three".