1320131207 has 4 divisors (see below), whose sum is σ = 1377528240. Its totient is φ = 1262734176.

The previous prime is 1320131173. The next prime is 1320131221. The reversal of 1320131207 is 7021310231.

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 1320131207 - 2⁶ = 1320131143 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 (1320131227) 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, 28698482 + ... + 28698527.

It is an arithmetic number, because the mean of its divisors is an integer number (344382060).

Almost surely, 2^1320131207 is an apocalyptic number.

1320131207 is a deficient number, since it is larger than the sum of its proper divisors (57397033).

1320131207 is an equidigital number, since it uses as much as digits as its factorization.

1320131207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57397032.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1320131207 is about 36333.6098812105. The cubic root of 1320131207 is about 1096.9976549901.

Adding to 1320131207 its reverse (7021310231), we get a palindrome (8341441438).

The spelling of 1320131207 in words is "one billion, three hundred twenty million, one hundred thirty-one thousand, two hundred seven".