1121244404393 has 2 divisors, whose sum is σ = 1121244404394. Its totient is φ = 1121244404392.

The previous prime is 1121244404359. The next prime is 1121244404443. The reversal of 1121244404393 is 3934044421211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 983819983129 + 137424421264 = 991877^2 + 370708^2 .

It is an emirp because it is prime and its reverse (3934044421211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121244404393 is a prime.

It is a super-2 number, since 2×1121244404393² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1121244424393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560622202196 + 560622202197.

It is an arithmetic number, because the mean of its divisors is an integer number (560622202197).

Almost surely, 2^{1121244404393} is an apocalyptic number.

It is an amenable number.

1121244404393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121244404393 is an equidigital number, since it uses as much as digits as its factorization.

1121244404393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 1121244404393 in words is "one trillion, one hundred twenty-one billion, two hundred forty-four million, four hundred four thousand, three hundred ninety-three".