1121984024069 has 2 divisors, whose sum is σ = 1121984024070. Its totient is φ = 1121984024068.

The previous prime is 1121984024027. The next prime is 1121984024099. The reversal of 1121984024069 is 9604204891211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1024271515969 + 97712508100 = 1012063^2 + 312590^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121984024069 - 2²⁰ = 1121982975493 is a prime.

It is a super-2 number, since 2×1121984024069² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121984024009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560992012034 + 560992012035.

It is an arithmetic number, because the mean of its divisors is an integer number (560992012035).

Almost surely, 2^{1121984024069} is an apocalyptic number.

It is an amenable number.

1121984024069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121984024069 is an equidigital number, since it uses as much as digits as its factorization.

1121984024069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 1121984024069 in words is "one trillion, one hundred twenty-one billion, nine hundred eighty-four million, twenty-four thousand, sixty-nine".