1320804207 has 24 divisors (see below), whose sum is σ = 1961832080. Its totient is φ = 855671040.

The previous prime is 1320804179. The next prime is 1320804223. The reversal of 1320804207 is 7024080231.

It is not a de Polignac number, because 1320804207 - 2⁶ = 1320804143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320803207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334032 + ... + 337962.

Almost surely, 2^1320804207 is an apocalyptic number.

1320804207 is a deficient number, since it is larger than the sum of its proper divisors (641027873).

1320804207 is a wasteful number, since it uses less digits than its factorization.

1320804207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983 (or 4980 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1320804207 is about 36342.8700985489. The cubic root of 1320804207 is about 1097.1840389888.

Adding to 1320804207 its reverse (7024080231), we get a palindrome (8344884438).

The spelling of 1320804207 in words is "one billion, three hundred twenty million, eight hundred four thousand, two hundred seven".