1299951364 has 12 divisors (see below), whose sum is σ = 2275257600. Its totient is φ = 649877768.

The previous prime is 1299951347. The next prime is 1299951379. The reversal of 1299951364 is 4631599921.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11157 + ... + 52195.

It is an arithmetic number, because the mean of its divisors is an integer number (189604800).

Almost surely, 2^1299951364 is an apocalyptic number.

It is an amenable number.

1299951364 is a deficient number, since it is larger than the sum of its proper divisors (975306236).

1299951364 is a wasteful number, since it uses less digits than its factorization.

1299951364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48962 (or 48960 counting only the distinct ones).

The product of its digits is 524880, while the sum is 49.

The square root of 1299951364 is about 36054.8382883629. The cubic root of 1299951364 is about 1091.3792723826.

The spelling of 1299951364 in words is "one billion, two hundred ninety-nine million, nine hundred fifty-one thousand, three hundred sixty-four".