1002001159 has 2 divisors, whose sum is σ = 1002001160. Its totient is φ = 1002001158.

The previous prime is 1002001123. The next prime is 1002001183. The reversal of 1002001159 is 9511002001.

It is a strong prime.

It is an emirp because it is prime and its reverse (9511002001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002001159 - 2²¹ = 999904007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002011159) 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, 501000579 + 501000580.

It is an arithmetic number, because the mean of its divisors is an integer number (501000580).

Almost surely, 2^1002001159 is an apocalyptic number.

1002001159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002001159 is an equidigital number, since it uses as much as digits as its factorization.

1002001159 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 19.

The square root of 1002001159 is about 31654.4018897846. The cubic root of 1002001159 is about 1000.6666085343. Note that the first 4 decimals are identical.

The spelling of 1002001159 in words is "one billion, two million, one thousand, one hundred fifty-nine".