1298333872 has 30 divisors (see below), whose sum is σ = 2764999244. Its totient is φ = 590150880.

The previous prime is 1298333867. The next prime is 1298333887. The reversal of 1298333872 is 2783338921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333378 + ... + 337249.

Almost surely, 2^1298333872 is an apocalyptic number.

It is an amenable number.

1298333872 is an abundant number, since it is smaller than the sum of its proper divisors (1466665372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1298333872 is a wasteful number, since it uses less digits than its factorization.

1298333872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670657 (or 670640 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 1298333872 is about 36032.4003086111. The cubic root of 1298333872 is about 1090.9264272565.

The spelling of 1298333872 in words is "one billion, two hundred ninety-eight million, three hundred thirty-three thousand, eight hundred seventy-two".