1000200973 has 2 divisors, whose sum is σ = 1000200974. Its totient is φ = 1000200972.

The previous prime is 1000200961. The next prime is 1000200997. The reversal of 1000200973 is 3790020001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 537219684 + 462981289 = 23178^2 + 21517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000200973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000200473) 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, 500100486 + 500100487.

It is an arithmetic number, because the mean of its divisors is an integer number (500100487).

Almost surely, 2^1000200973 is an apocalyptic number.

It is an amenable number.

1000200973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000200973 is an equidigital number, since it uses as much as digits as its factorization.

1000200973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1000200973 is about 31625.9541041847. The cubic root of 1000200973 is about 1000.0669865127.

Adding to 1000200973 its reverse (3790020001), we get a palindrome (4790220974).

The spelling of 1000200973 in words is "one billion, two hundred thousand, nine hundred seventy-three".