1312160001 has 4 divisors (see below), whose sum is σ = 1749546672. Its totient is φ = 874773332.

The previous prime is 1312159997. The next prime is 1312160009. The reversal of 1312160001 is 1000612131.

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.

It is a cyclic number.

It is not a de Polignac number, because 1312160001 - 2² = 1312159997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312160009) 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, 218693331 + ... + 218693336.

It is an arithmetic number, because the mean of its divisors is an integer number (437386668).

Almost surely, 2^1312160001 is an apocalyptic number.

It is an amenable number.

1312160001 is a deficient number, since it is larger than the sum of its proper divisors (437386671).

1312160001 is an equidigital number, since it uses as much as digits as its factorization.

1312160001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437386670.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1312160001 is about 36223.7491295421. The cubic root of 1312160001 is about 1094.7852350848.

Adding to 1312160001 its reverse (1000612131), we get a palindrome (2312772132).

The spelling of 1312160001 in words is "one billion, three hundred twelve million, one hundred sixty thousand, one".