1203274004321 has 2 divisors, whose sum is σ = 1203274004322. Its totient is φ = 1203274004320.

The previous prime is 1203274004249. The next prime is 1203274004351. The reversal of 1203274004321 is 1234004723021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1111200598225 + 92073406096 = 1054135^2 + 303436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203274004321 - 2¹⁰ = 1203274003297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203274004351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601637002160 + 601637002161.

It is an arithmetic number, because the mean of its divisors is an integer number (601637002161).

Almost surely, 2^{1203274004321} is an apocalyptic number.

It is an amenable number.

1203274004321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203274004321 is an equidigital number, since it uses as much as digits as its factorization.

1203274004321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 1203274004321 its reverse (1234004723021), we get a palindrome (2437278727342).

The spelling of 1203274004321 in words is "one trillion, two hundred three billion, two hundred seventy-four million, four thousand, three hundred twenty-one".