1017320005 has 12 divisors (see below), whose sum is σ = 1321915140. Its totient is φ = 751251072.

The previous prime is 1017319981. The next prime is 1017320081. The reversal of 1017320005 is 5000237101.

It can be written as a sum of positive squares in 6 ways, for example, as 132733441 + 884586564 = 11521^2 + 29742^2 .

It is not a de Polignac number, because 1017320005 - 2⁹ = 1017319493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 601120 + ... + 602809.

It is an arithmetic number, because the mean of its divisors is an integer number (110159595).

Almost surely, 2^1017320005 is an apocalyptic number.

It is an amenable number.

1017320005 is a deficient number, since it is larger than the sum of its proper divisors (304595135).

1017320005 is a wasteful number, since it uses less digits than its factorization.

1017320005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203960 (or 1203947 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1017320005 is about 31895.4542999469. The cubic root of 1017320005 is about 1005.7403206683.

Adding to 1017320005 its reverse (5000237101), we get a palindrome (6017557106).

The spelling of 1017320005 in words is "one billion, seventeen million, three hundred twenty thousand, five".