1020434717 has 2 divisors, whose sum is σ = 1020434718. Its totient is φ = 1020434716.

The previous prime is 1020434683. The next prime is 1020434743. The reversal of 1020434717 is 7174340201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 647906116 + 372528601 = 25454^2 + 19301^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020434717 - 2⁸ = 1020434461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020434717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020434417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510217358 + 510217359.

It is an arithmetic number, because the mean of its divisors is an integer number (510217359).

Almost surely, 2^1020434717 is an apocalyptic number.

It is an amenable number.

1020434717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020434717 is an equidigital number, since it uses as much as digits as its factorization.

1020434717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 1020434717 is about 31944.2438789839. The cubic root of 1020434717 is about 1006.7656944792.

Adding to 1020434717 its reverse (7174340201), we get a palindrome (8194774918).

The spelling of 1020434717 in words is "one billion, twenty million, four hundred thirty-four thousand, seven hundred seventeen".