1298098737 has 32 divisors (see below), whose sum is σ = 2110147200. Its totient is φ = 783746496.

The previous prime is 1298098721. The next prime is 1298098741. The reversal of 1298098737 is 7378908921.

It is not a de Polignac number, because 1298098737 - 2⁴ = 1298098721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1298098037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16287 + ... + 53492.

It is an arithmetic number, because the mean of its divisors is an integer number (65942100).

Almost surely, 2^1298098737 is an apocalyptic number.

It is an amenable number.

1298098737 is a deficient number, since it is larger than the sum of its proper divisors (812048463).

1298098737 is a wasteful number, since it uses less digits than its factorization.

1298098737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69854 (or 69848 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 1298098737 is about 36029.1373335527. The cubic root of 1298098737 is about 1090.8605658018.

The spelling of 1298098737 in words is "one billion, two hundred ninety-eight million, ninety-eight thousand, seven hundred thirty-seven".