1304453242121 has 2 divisors, whose sum is σ = 1304453242122. Its totient is φ = 1304453242120.

The previous prime is 1304453242111. The next prime is 1304453242187. The reversal of 1304453242121 is 1212423544031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 843025130896 + 461428111225 = 918164^2 + 679285^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304453242121 - 2²⁶ = 1304386133257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1304453242111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652226621060 + 652226621061.

It is an arithmetic number, because the mean of its divisors is an integer number (652226621061).

Almost surely, 2^{1304453242121} is an apocalyptic number.

It is an amenable number.

1304453242121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304453242121 is an equidigital number, since it uses as much as digits as its factorization.

1304453242121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1304453242121 its reverse (1212423544031), we get a palindrome (2516876786152).

The spelling of 1304453242121 in words is "one trillion, three hundred four billion, four hundred fifty-three million, two hundred forty-two thousand, one hundred twenty-one".