1000200997 has 2 divisors, whose sum is σ = 1000200998. Its totient is φ = 1000200996.

The previous prime is 1000200973. The next prime is 1000201003. The reversal of 1000200997 is 7990020001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 858138436 + 142062561 = 29294^2 + 11919^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000200997 - 2²³ = 991812389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000200917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500100498 + 500100499.

It is an arithmetic number, because the mean of its divisors is an integer number (500100499).

Almost surely, 2^1000200997 is an apocalyptic number.

It is an amenable number.

1000200997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000200997 is an equidigital number, since it uses as much as digits as its factorization.

1000200997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1000200997 is about 31625.9544836199. The cubic root of 1000200997 is about 1000.0669945116.

Adding to 1000200997 its reverse (7990020001), we get a palindrome (8990220998).

The spelling of 1000200997 in words is "one billion, two hundred thousand, nine hundred ninety-seven".