1320792097 has 4 divisors (see below), whose sum is σ = 1328895280. Its totient is φ = 1312688916.

The previous prime is 1320792047. The next prime is 1320792127. The reversal of 1320792097 is 7902970231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1320792097 - 2¹¹ = 1320790049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320792047) 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, 4051347 + ... + 4051672.

It is an arithmetic number, because the mean of its divisors is an integer number (332223820).

Almost surely, 2^1320792097 is an apocalyptic number.

It is an amenable number.

1320792097 is a deficient number, since it is larger than the sum of its proper divisors (8103183).

1320792097 is an equidigital number, since it uses as much as digits as its factorization.

1320792097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103182.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 1320792097 is about 36342.7034905220. The cubic root of 1320792097 is about 1097.1806857441.

The spelling of 1320792097 in words is "one billion, three hundred twenty million, seven hundred ninety-two thousand, ninety-seven".