1249610799 has 16 divisors (see below), whose sum is σ = 1675137024. Its totient is φ = 828592800.

The previous prime is 1249610797. The next prime is 1249610801. The reversal of 1249610799 is 9970169421.

It is an interprime number because it is at equal distance from previous prime (1249610797) and next prime (1249610801).

It is not a de Polignac number, because 1249610799 - 2¹ = 1249610797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249610797) 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, 480994 + ... + 483584.

It is an arithmetic number, because the mean of its divisors is an integer number (104696064).

Almost surely, 2^1249610799 is an apocalyptic number.

1249610799 is a deficient number, since it is larger than the sum of its proper divisors (425526225).

1249610799 is a wasteful number, since it uses less digits than its factorization.

1249610799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 1249610799 is about 35349.8344974909. The cubic root of 1249610799 is about 1077.1055323257.

The spelling of 1249610799 in words is "one billion, two hundred forty-nine million, six hundred ten thousand, seven hundred ninety-nine".