1003000189 has 2 divisors, whose sum is σ = 1003000190. Its totient is φ = 1003000188.

The previous prime is 1003000171. The next prime is 1003000211. The reversal of 1003000189 is 9810003001.

It is an a-pointer prime, because the next prime (1003000211) can be obtained adding 1003000189 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 996664900 + 6335289 = 31570^2 + 2517^2 .

It is an emirp because it is prime and its reverse (9810003001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1003000189 - 2⁵ = 1003000157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003000129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501500094 + 501500095.

It is an arithmetic number, because the mean of its divisors is an integer number (501500095).

Almost surely, 2^1003000189 is an apocalyptic number.

It is an amenable number.

1003000189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003000189 is an equidigital number, since it uses as much as digits as its factorization.

1003000189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1003000189 is about 31670.1782281060. The cubic root of 1003000189 is about 1000.9990645377. Note that the first 3 decimals are identical.

The spelling of 1003000189 in words is "one billion, three million, one hundred eighty-nine", and thus it is an aban number.