1019

1019 is a prime number.

1019 is the number of twin prime pairs between 10,000 and 100,000.

1019 and 1021 form a twin prime pair.

1019 is a Sophie Germain prime because 2 x 1019 + 1 = 2039, and 2039 is also a prime.

The Broadway musical Damn Yankees had an initial run of 1019 performances.

Source: Prime Curios!