1142430334421 has 2 divisors, whose sum is σ = 1142430334422. Its totient is φ = 1142430334420.

The previous prime is 1142430334393. The next prime is 1142430334447. The reversal of 1142430334421 is 1244330342411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1141756360900 + 673973521 = 1068530^2 + 25961^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142430334421 - 2¹⁴ = 1142430318037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142430334481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571215167210 + 571215167211.

It is an arithmetic number, because the mean of its divisors is an integer number (571215167211).

Almost surely, 2^{1142430334421} is an apocalyptic number.

It is an amenable number.

1142430334421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142430334421 is an equidigital number, since it uses as much as digits as its factorization.

1142430334421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 1142430334421 its reverse (1244330342411), we get a palindrome (2386760676832).

The spelling of 1142430334421 in words is "one trillion, one hundred forty-two billion, four hundred thirty million, three hundred thirty-four thousand, four hundred twenty-one".