1121264122613 has 2 divisors, whose sum is σ = 1121264122614. Its totient is φ = 1121264122612.

The previous prime is 1121264122607. The next prime is 1121264122661. The reversal of 1121264122613 is 3162214621211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 662607396049 + 458656726564 = 814007^2 + 677242^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121264122613 - 2⁴ = 1121264122597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121264122613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121264122603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560632061306 + 560632061307.

It is an arithmetic number, because the mean of its divisors is an integer number (560632061307).

Almost surely, 2^{1121264122613} is an apocalyptic number.

It is an amenable number.

1121264122613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121264122613 is an equidigital number, since it uses as much as digits as its factorization.

1121264122613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

Adding to 1121264122613 its reverse (3162214621211), we get a palindrome (4283478743824).

The spelling of 1121264122613 in words is "one trillion, one hundred twenty-one billion, two hundred sixty-four million, one hundred twenty-two thousand, six hundred thirteen".