1000159 has 2 divisors, whose sum is σ = 1000160. Its totient is φ = 1000158.

The previous prime is 1000151. The next prime is 1000171. The reversal of 1000159 is 9510001.

It is a weak prime.

It is an emirp because it is prime and its reverse (9510001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000159 - 2³ = 1000151 is a prime.

It is an Ulam number.

1000159 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500079 + 500080.

It is an arithmetic number, because the mean of its divisors is an integer number (500080).

2^1000159 is an apocalyptic number.

1000159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000159 is an equidigital number, since it uses as much as digits as its factorization.

1000159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 1000159 is about 1000.0794968401. The cubic root of 1000159 is about 100.0052997191.

The spelling of 1000159 in words is "one million, one hundred fifty-nine", and thus it is an aban number.