1313122001 has 8 divisors (see below), whose sum is σ = 1374770880. Its totient is φ = 1252564432.

The previous prime is 1313121989. The next prime is 1313122009. The reversal of 1313122001 is 1002213131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313122001 - 2⁶ = 1313121937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1313122009) 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, 270365 + ... + 275178.

It is an arithmetic number, because the mean of its divisors is an integer number (171846360).

Almost surely, 2^1313122001 is an apocalyptic number.

It is an amenable number.

1313122001 is a deficient number, since it is larger than the sum of its proper divisors (61648879).

1313122001 is an equidigital number, since it uses as much as digits as its factorization.

1313122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545655.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1313122001 is about 36237.0252780219. The cubic root of 1313122001 is about 1095.0527141835.

Adding to 1313122001 its reverse (1002213131), we get a palindrome (2315335132).

The spelling of 1313122001 in words is "one billion, three hundred thirteen million, one hundred twenty-two thousand, one".