1299316803 has 16 divisors (see below), whose sum is σ = 1746468000. Its totient is φ = 859205120.

The previous prime is 1299316801. The next prime is 1299316829. The reversal of 1299316803 is 3086139921.

It is a cyclic number.

It is not a de Polignac number, because 1299316803 - 2¹ = 1299316801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1299316801) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 419083 + ... + 422171.

It is an arithmetic number, because the mean of its divisors is an integer number (109154250).

Almost surely, 2^1299316803 is an apocalyptic number.

1299316803 is a deficient number, since it is larger than the sum of its proper divisors (447151197).

1299316803 is a wasteful number, since it uses less digits than its factorization.

1299316803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4182.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 1299316803 is about 36046.0372718001. The cubic root of 1299316803 is about 1091.2016607531.

The spelling of 1299316803 in words is "one billion, two hundred ninety-nine million, three hundred sixteen thousand, eight hundred three".