1121123001941 has 2 divisors, whose sum is σ = 1121123001942. Its totient is φ = 1121123001940.

The previous prime is 1121123001923. The next prime is 1121123001949. The reversal of 1121123001941 is 1491003211211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1048791051025 + 72331950916 = 1024105^2 + 268946^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121123001941 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 1121123001941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121123001949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560561500970 + 560561500971.

It is an arithmetic number, because the mean of its divisors is an integer number (560561500971).

Almost surely, 2^{1121123001941} is an apocalyptic number.

It is an amenable number.

1121123001941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121123001941 is an equidigital number, since it uses as much as digits as its factorization.

1121123001941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 1121123001941 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-three million, one thousand, nine hundred forty-one".