1298248559 has 4 divisors (see below), whose sum is σ = 1329913200. Its totient is φ = 1266583920.

The previous prime is 1298248519. The next prime is 1298248591. The reversal of 1298248559 is 9558428921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9558428921 = 211 ⋅45300611.

It is a cyclic number.

It is not a de Polignac number, because 1298248559 - 2¹² = 1298244463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1298248559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298248519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15832259 + ... + 15832340.

It is an arithmetic number, because the mean of its divisors is an integer number (332478300).

Almost surely, 2^1298248559 is an apocalyptic number.

1298248559 is a deficient number, since it is larger than the sum of its proper divisors (31664641).

1298248559 is an equidigital number, since it uses as much as digits as its factorization.

1298248559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31664640.

The product of its digits is 2073600, while the sum is 53.

The square root of 1298248559 is about 36031.2164518491. The cubic root of 1298248559 is about 1090.9025319532.

The spelling of 1298248559 in words is "one billion, two hundred ninety-eight million, two hundred forty-eight thousand, five hundred fifty-nine".