1200002017 has 2 divisors, whose sum is σ = 1200002018. Its totient is φ = 1200002016.

The previous prime is 1200001987. The next prime is 1200002029. The reversal of 1200002017 is 7102000021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1199998881 + 3136 = 34641^2 + 56^2 .

It is an emirp because it is prime and its reverse (7102000021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200002017 - 2⁷ = 1200001889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200001988 and 1200002006.

It is not a weakly prime, because it can be changed into another prime (1200002117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600001008 + 600001009.

It is an arithmetic number, because the mean of its divisors is an integer number (600001009).

Almost surely, 2^1200002017 is an apocalyptic number.

It is an amenable number.

1200002017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200002017 is an equidigital number, since it uses as much as digits as its factorization.

1200002017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 1200002017 is about 34641.0452642526. The cubic root of 1200002017 is about 1062.6591645663.

Adding to 1200002017 its reverse (7102000021), we get a palindrome (8302002038).

The spelling of 1200002017 in words is "one billion, two hundred million, two thousand, seventeen".