1320243122053 has 2 divisors, whose sum is σ = 1320243122054. Its totient is φ = 1320243122052.

The previous prime is 1320243121999. The next prime is 1320243122101. The reversal of 1320243122053 is 3502213420231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1037918801089 + 282324320964 = 1018783^2 + 531342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320243122053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320243122753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660121561026 + 660121561027.

It is an arithmetic number, because the mean of its divisors is an integer number (660121561027).

Almost surely, 2^{1320243122053} is an apocalyptic number.

It is an amenable number.

1320243122053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320243122053 is an equidigital number, since it uses as much as digits as its factorization.

1320243122053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 1320243122053 its reverse (3502213420231), we get a palindrome (4822456542284).

The spelling of 1320243122053 in words is "one trillion, three hundred twenty billion, two hundred forty-three million, one hundred twenty-two thousand, fifty-three".