1298052459 has 90 divisors (see below), whose sum is σ = 2279191332. Its totient is φ = 729993600.

The previous prime is 1298052443. The next prime is 1298052461. The reversal of 1298052459 is 9542508921.

It is a happy number.

It is not a de Polignac number, because 1298052459 - 2⁴ = 1298052443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1298052419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 18282394 + ... + 18282464.

Almost surely, 2^1298052459 is an apocalyptic number.

1298052459 is a deficient number, since it is larger than the sum of its proper divisors (981138873).

1298052459 is an equidigital number, since it uses as much as digits as its factorization.

1298052459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 1298052459 is about 36028.4950976307. The cubic root of 1298052459 is about 1090.8476023695.

The spelling of 1298052459 in words is "one billion, two hundred ninety-eight million, fifty-two thousand, four hundred fifty-nine".