1142040434417 has 2 divisors, whose sum is σ = 1142040434418. Its totient is φ = 1142040434416.

The previous prime is 1142040434399. The next prime is 1142040434467. The reversal of 1142040434417 is 7144340402411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1109164942561 + 32875491856 = 1053169^2 + 181316^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142040434417 - 2¹⁰ = 1142040433393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142040434467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571020217208 + 571020217209.

It is an arithmetic number, because the mean of its divisors is an integer number (571020217209).

Almost surely, 2^{1142040434417} is an apocalyptic number.

It is an amenable number.

1142040434417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142040434417 is an equidigital number, since it uses as much as digits as its factorization.

1142040434417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 1142040434417 its reverse (7144340402411), we get a palindrome (8286380836828).

The spelling of 1142040434417 in words is "one trillion, one hundred forty-two billion, forty million, four hundred thirty-four thousand, four hundred seventeen".