1299080659 has 2 divisors, whose sum is σ = 1299080660. Its totient is φ = 1299080658.

The previous prime is 1299080623. The next prime is 1299080719. The reversal of 1299080659 is 9560809921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1299080659 - 2⁹ = 1299080147 is a prime.

It is a super-2 number, since 2×1299080659² = 3375221117175748562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1299080609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649540329 + 649540330.

It is an arithmetic number, because the mean of its divisors is an integer number (649540330).

Almost surely, 2^1299080659 is an apocalyptic number.

1299080659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299080659 is an equidigital number, since it uses as much as digits as its factorization.

1299080659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 1299080659 is about 36042.7615340445. The cubic root of 1299080659 is about 1091.1355500256.

The spelling of 1299080659 in words is "one billion, two hundred ninety-nine million, eighty thousand, six hundred fifty-nine".