1320102999 has 12 divisors (see below), whose sum is σ = 1907178936. Its totient is φ = 879900912.

The previous prime is 1320102961. The next prime is 1320103007. The reversal of 1320102999 is 9992010231.

It is a happy number.

It is not a de Polignac number, because 1320102999 - 2⁸ = 1320102743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320172999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52492 + ... + 73454.

It is an arithmetic number, because the mean of its divisors is an integer number (158931578).

Almost surely, 2^1320102999 is an apocalyptic number.

1320102999 is a deficient number, since it is larger than the sum of its proper divisors (587075937).

1320102999 is a wasteful number, since it uses less digits than its factorization.

1320102999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27966 (or 27963 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 1320102999 is about 36333.2216986053. The cubic root of 1320102999 is about 1096.9898415419.

The spelling of 1320102999 in words is "one billion, three hundred twenty million, one hundred two thousand, nine hundred ninety-nine".