10742043121 has 2 divisors, whose sum is σ = 10742043122. Its totient is φ = 10742043120.

The previous prime is 10742043107. The next prime is 10742043133. The reversal of 10742043121 is 12134024701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5938860096 + 4803183025 = 77064^2 + 69305^2 .

It is a cyclic number.

It is not a de Polignac number, because 10742043121 - 2³³ = 2152108529 is a prime.

It is not a weakly prime, because it can be changed into another prime (10742043421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5371021560 + 5371021561.

It is an arithmetic number, because the mean of its divisors is an integer number (5371021561).

Almost surely, 2^10742043121 is an apocalyptic number.

It is an amenable number.

10742043121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10742043121 is an equidigital number, since it uses as much as digits as its factorization.

10742043121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 10742043121 its reverse (12134024701), we get a palindrome (22876067822).

The spelling of 10742043121 in words is "ten billion, seven hundred forty-two million, forty-three thousand, one hundred twenty-one".