1123229972041 has 2 divisors, whose sum is σ = 1123229972042. Its totient is φ = 1123229972040.

The previous prime is 1123229972027. The next prime is 1123229972071. The reversal of 1123229972041 is 1402799223211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 736061043600 + 387168928441 = 857940^2 + 622229^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123229972041 - 2⁹ = 1123229971529 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123229972071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561614986020 + 561614986021.

It is an arithmetic number, because the mean of its divisors is an integer number (561614986021).

Almost surely, 2^{1123229972041} is an apocalyptic number.

It is an amenable number.

1123229972041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123229972041 is an equidigital number, since it uses as much as digits as its factorization.

1123229972041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 1123229972041 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-nine million, nine hundred seventy-two thousand, forty-one".