1320308099 has 4 divisors (see below), whose sum is σ = 1440336120. Its totient is φ = 1200280080.

The previous prime is 1320308089. The next prime is 1320308107. The reversal of 1320308099 is 9908030231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1320308099 - 2²⁴ = 1303530883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320308029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60013994 + ... + 60014015.

It is an arithmetic number, because the mean of its divisors is an integer number (360084030).

Almost surely, 2^1320308099 is an apocalyptic number.

1320308099 is a deficient number, since it is larger than the sum of its proper divisors (120028021).

1320308099 is a wasteful number, since it uses less digits than its factorization.

1320308099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120028020.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 1320308099 is about 36336.0440747201. The cubic root of 1320308099 is about 1097.0466504842.

The spelling of 1320308099 in words is "one billion, three hundred twenty million, three hundred eight thousand, ninety-nine".