1043031423121 has 2 divisors, whose sum is σ = 1043031423122. Its totient is φ = 1043031423120.

The previous prime is 1043031423101. The next prime is 1043031423191. The reversal of 1043031423121 is 1213241303401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1043012838400 + 18584721 = 1021280^2 + 4311^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043031423121 - 2¹⁵ = 1043031390353 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043031423101) 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, 521515711560 + 521515711561.

It is an arithmetic number, because the mean of its divisors is an integer number (521515711561).

Almost surely, 2^{1043031423121} is an apocalyptic number.

It is an amenable number.

1043031423121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043031423121 is an equidigital number, since it uses as much as digits as its factorization.

1043031423121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1043031423121 its reverse (1213241303401), we get a palindrome (2256272726522).

The spelling of 1043031423121 in words is "one trillion, forty-three billion, thirty-one million, four hundred twenty-three thousand, one hundred twenty-one".