1320130001 has 4 divisors (see below), whose sum is σ = 1324375104. Its totient is φ = 1315884900.

The previous prime is 1320129997. The next prime is 1320130003. The reversal of 1320130001 is 1000310231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1000310231 = 227 ⋅4406653.

It is a cyclic number.

It is not a de Polignac number, because 1320130001 - 2² = 1320129997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320130003) 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, 2122085 + ... + 2122706.

It is an arithmetic number, because the mean of its divisors is an integer number (331093776).

Almost surely, 2^1320130001 is an apocalyptic number.

It is an amenable number.

1320130001 is a deficient number, since it is larger than the sum of its proper divisors (4245103).

1320130001 is an equidigital number, since it uses as much as digits as its factorization.

1320130001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245102.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1320130001 is about 36333.5932850028. The cubic root of 1320130001 is about 1096.9973209375.

Adding to 1320130001 its reverse (1000310231), we get a palindrome (2320440232).

The spelling of 1320130001 in words is "one billion, three hundred twenty million, one hundred thirty thousand, one".