1298043359 has 4 divisors (see below), whose sum is σ = 1298307816. Its totient is φ = 1297778904.

The previous prime is 1298043337. The next prime is 1298043379. The reversal of 1298043359 is 9533408921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9533408921 = 1279 ⋅7453799.

It is a cyclic number.

It is not a de Polignac number, because 1298043359 - 2¹² = 1298039263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298043319) 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 3 ways as a sum of consecutive naturals, for example, 124724 + ... + 134729.

It is an arithmetic number, because the mean of its divisors is an integer number (324576954).

Almost surely, 2^1298043359 is an apocalyptic number.

1298043359 is a deficient number, since it is larger than the sum of its proper divisors (264457).

1298043359 is an equidigital number, since it uses as much as digits as its factorization.

1298043359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264456.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 1298043359 is about 36028.3688084820. The cubic root of 1298043359 is about 1090.8450532336.

The spelling of 1298043359 in words is "one billion, two hundred ninety-eight million, forty-three thousand, three hundred fifty-nine".