1299459984 has 40 divisors (see below), whose sum is σ = 3465230592. Its totient is φ = 419180160.

The previous prime is 1299459977. The next prime is 1299460007. The reversal of 1299459984 is 4899549921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435159 + ... + 438134.

Almost surely, 2^1299459984 is an apocalyptic number.

It is an amenable number.

1299459984 is an abundant number, since it is smaller than the sum of its proper divisors (2165770608).

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

1299459984 is a wasteful number, since it uses less digits than its factorization.

1299459984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873335 (or 873329 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 60.

The square root of 1299459984 is about 36048.0233022561. The cubic root of 1299459984 is about 1091.2417417161.

The spelling of 1299459984 in words is "one billion, two hundred ninety-nine million, four hundred fifty-nine thousand, nine hundred eighty-four".