1035143412421 has 2 divisors, whose sum is σ = 1035143412422. Its totient is φ = 1035143412420.

The previous prime is 1035143412299. The next prime is 1035143412469. The reversal of 1035143412421 is 1242143415301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 866295562500 + 168847849921 = 930750^2 + 410911^2 .

It is a cyclic number.

It is not a de Polignac number, because 1035143412421 - 2⁹ = 1035143411909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1035143412481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517571706210 + 517571706211.

It is an arithmetic number, because the mean of its divisors is an integer number (517571706211).

Almost surely, 2^{1035143412421} is an apocalyptic number.

It is an amenable number.

1035143412421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1035143412421 is an equidigital number, since it uses as much as digits as its factorization.

1035143412421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 1035143412421 its reverse (1242143415301), we get a palindrome (2277286827722).

The spelling of 1035143412421 in words is "one trillion, thirty-five billion, one hundred forty-three million, four hundred twelve thousand, four hundred twenty-one".