1012001519 has 2 divisors, whose sum is σ = 1012001520. Its totient is φ = 1012001518.

The previous prime is 1012001513. The next prime is 1012001521. The reversal of 1012001519 is 9151002101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012001519 - 2¹⁶ = 1011935983 is a prime.

It is a super-2 number, since 2×1012001519² = 2048294148916614722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1012001521, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012001519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012001513) 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, 506000759 + 506000760.

It is an arithmetic number, because the mean of its divisors is an integer number (506000760).

Almost surely, 2^1012001519 is an apocalyptic number.

1012001519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012001519 is an equidigital number, since it uses as much as digits as its factorization.

1012001519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 20.

The square root of 1012001519 is about 31811.9713158427. The cubic root of 1012001519 is about 1003.9846081433.

The spelling of 1012001519 in words is "one billion, twelve million, one thousand, five hundred nineteen".