1304353444121 has 16 divisors (see below), whose sum is σ = 1609984516224. Its totient is φ = 1029041777664.

The previous prime is 1304353444067. The next prime is 1304353444157. The reversal of 1304353444121 is 1214443534031.

It is a cyclic number.

It is not a de Polignac number, because 1304353444121 - 2¹⁰ = 1304353443097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1304353444421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20621960 + ... + 20685113.

It is an arithmetic number, because the mean of its divisors is an integer number (100624032264).

Almost surely, 2^{1304353444121} is an apocalyptic number.

It is an amenable number.

1304353444121 is a deficient number, since it is larger than the sum of its proper divisors (305631072103).

1304353444121 is a wasteful number, since it uses less digits than its factorization.

1304353444121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41307440.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 1304353444121 its reverse (1214443534031), we get a palindrome (2518796978152).

The spelling of 1304353444121 in words is "one trillion, three hundred four billion, three hundred fifty-three million, four hundred forty-four thousand, one hundred twenty-one".