1320648099 has 8 divisors (see below), whose sum is σ = 1766491152. Its totient is φ = 877618560.

The previous prime is 1320648071. The next prime is 1320648103. The reversal of 1320648099 is 9908460231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320648099 - 2¹⁶ = 1320582563 is a prime.

It is a super-2 number, since 2×1320648099² = 3488222802784627602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1320648099.

It is not an unprimeable number, because it can be changed into a prime (1320641099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702282 + ... + 704159.

It is an arithmetic number, because the mean of its divisors is an integer number (220811394).

Almost surely, 2^1320648099 is an apocalyptic number.

1320648099 is a deficient number, since it is larger than the sum of its proper divisors (445843053).

1320648099 is a wasteful number, since it uses less digits than its factorization.

1320648099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406757.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1320648099 is about 36340.7223235862. The cubic root of 1320648099 is about 1097.1408112963.

The spelling of 1320648099 in words is "one billion, three hundred twenty million, six hundred forty-eight thousand, ninety-nine".