1017040043 has 2 divisors, whose sum is σ = 1017040044. Its totient is φ = 1017040042.

The previous prime is 1017040027. The next prime is 1017040049. The reversal of 1017040043 is 3400407101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1017040043 - 2⁴ = 1017040027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1017039997 and 1017040024.

It is not a weakly prime, because it can be changed into another prime (1017040049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508520021 + 508520022.

It is an arithmetic number, because the mean of its divisors is an integer number (508520022).

Almost surely, 2^1017040043 is an apocalyptic number.

1017040043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1017040043 is an equidigital number, since it uses as much as digits as its factorization.

1017040043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1017040043 is about 31891.0652534530. The cubic root of 1017040043 is about 1005.6480537634.

Adding to 1017040043 its reverse (3400407101), we get a palindrome (4417447144).

The spelling of 1017040043 in words is "one billion, seventeen million, forty thousand, forty-three".