1042681247917 has 2 divisors, whose sum is σ = 1042681247918. Its totient is φ = 1042681247916.

The previous prime is 1042681247903. The next prime is 1042681248017. The reversal of 1042681247917 is 7197421862401.

1042681247917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 965638363561 + 77042884356 = 982669^2 + 277566^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042681247917 - 2⁷ = 1042681247789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042681277917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521340623958 + 521340623959.

It is an arithmetic number, because the mean of its divisors is an integer number (521340623959).

Almost surely, 2^{1042681247917} is an apocalyptic number.

It is an amenable number.

1042681247917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042681247917 is an equidigital number, since it uses as much as digits as its factorization.

1042681247917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 1042681247917 in words is "one trillion, forty-two billion, six hundred eighty-one million, two hundred forty-seven thousand, nine hundred seventeen".