1299560003 has 16 divisors (see below), whose sum is σ = 1500787200. Its totient is φ = 1102260096.

The previous prime is 1299559993. The next prime is 1299560023. The reversal of 1299560003 is 3000659921.

It is not a de Polignac number, because 1299560003 - 2¹⁸ = 1299297859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1299560023) 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 15 ways as a sum of consecutive naturals, for example, 764048 + ... + 765746.

It is an arithmetic number, because the mean of its divisors is an integer number (93799200).

Almost surely, 2^1299560003 is an apocalyptic number.

1299560003 is a deficient number, since it is larger than the sum of its proper divisors (201227197).

1299560003 is a wasteful number, since it uses less digits than its factorization.

1299560003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 1299560003 is about 36049.4105777057. The cubic root of 1299560003 is about 1091.2697385017.

The spelling of 1299560003 in words is "one billion, two hundred ninety-nine million, five hundred sixty thousand, three".