1002012017 has 2 divisors, whose sum is σ = 1002012018. Its totient is φ = 1002012016.

The previous prime is 1002012013. The next prime is 1002012071. The reversal of 1002012017 is 7102102001.

Together with next prime (1002012071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 888993856 + 113018161 = 29816^2 + 10631^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002012017 - 2² = 1002012013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002011992 and 1002012010.

It is not a weakly prime, because it can be changed into another prime (1002012013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501006008 + 501006009.

It is an arithmetic number, because the mean of its divisors is an integer number (501006009).

Almost surely, 2^1002012017 is an apocalyptic number.

It is an amenable number.

1002012017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002012017 is an equidigital number, since it uses as much as digits as its factorization.

1002012017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 1002012017 is about 31654.5733978520. The cubic root of 1002012017 is about 1000.6702230341.

Adding to 1002012017 its reverse (7102102001), we get a palindrome (8104114018).

The spelling of 1002012017 in words is "one billion, two million, twelve thousand, seventeen".