1320104016401 has 4 divisors (see below), whose sum is σ = 1320134912112. Its totient is φ = 1320073120692.

The previous prime is 1320104016397. The next prime is 1320104016433. The reversal of 1320104016401 is 1046104010231.

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 1320104016401 - 2² = 1320104016397 is a prime.

It is a super-2 number, since 2×1320104016401² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320104012401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15383675 + ... + 15469248.

It is an arithmetic number, because the mean of its divisors is an integer number (330033728028).

Almost surely, 2^{1320104016401} is an apocalyptic number.

It is an amenable number.

1320104016401 is a deficient number, since it is larger than the sum of its proper divisors (30895711).

1320104016401 is an equidigital number, since it uses as much as digits as its factorization.

1320104016401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30895710.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1320104016401 its reverse (1046104010231), we get a palindrome (2366208026632).

The spelling of 1320104016401 in words is "one trillion, three hundred twenty billion, one hundred four million, sixteen thousand, four hundred one".