1042142117017 has 2 divisors, whose sum is σ = 1042142117018. Its totient is φ = 1042142117016.

The previous prime is 1042142117011. The next prime is 1042142117063. The reversal of 1042142117017 is 7107112412401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 723079816281 + 319062300736 = 850341^2 + 564856^2 .

It is an emirp because it is prime and its reverse (7107112412401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042142117017 - 2³⁵ = 1007782378649 is a prime.

It is a super-3 number, since 3×1042142117017³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1042142117017.

It is not a weakly prime, because it can be changed into another prime (1042142117011) 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, 521071058508 + 521071058509.

It is an arithmetic number, because the mean of its divisors is an integer number (521071058509).

Almost surely, 2^{1042142117017} is an apocalyptic number.

It is an amenable number.

1042142117017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042142117017 is an equidigital number, since it uses as much as digits as its factorization.

1042142117017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 31.

Adding to 1042142117017 its reverse (7107112412401), we get a palindrome (8149254529418).

The spelling of 1042142117017 in words is "one trillion, forty-two billion, one hundred forty-two million, one hundred seventeen thousand, seventeen".