1298050499 has 2 divisors, whose sum is σ = 1298050500. Its totient is φ = 1298050498.

The previous prime is 1298050489. The next prime is 1298050513. The reversal of 1298050499 is 9940508921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1298050499 - 2⁴ = 1298050483 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1298050489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649025249 + 649025250.

It is an arithmetic number, because the mean of its divisors is an integer number (649025250).

Almost surely, 2^1298050499 is an apocalyptic number.

1298050499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298050499 is an equidigital number, since it uses as much as digits as its factorization.

1298050499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 1298050499 is about 36028.4678969284. The cubic root of 1298050499 is about 1090.8470533259.

The spelling of 1298050499 in words is "one billion, two hundred ninety-eight million, fifty thousand, four hundred ninety-nine".