1200321104249 has 2 divisors, whose sum is σ = 1200321104250. Its totient is φ = 1200321104248.

The previous prime is 1200321104207. The next prime is 1200321104261. The reversal of 1200321104249 is 9424011230021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 619616142649 + 580704961600 = 787157^2 + 762040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200321104249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200321101249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600160552124 + 600160552125.

It is an arithmetic number, because the mean of its divisors is an integer number (600160552125).

Almost surely, 2^{1200321104249} is an apocalyptic number.

It is an amenable number.

1200321104249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200321104249 is an equidigital number, since it uses as much as digits as its factorization.

1200321104249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 1200321104249 in words is "one trillion, two hundred billion, three hundred twenty-one million, one hundred four thousand, two hundred forty-nine".