842159 has 2 divisors, whose sum is σ = 842160. Its totient is φ = 842158.

The previous prime is 842147. The next prime is 842161. The reversal of 842159 is 951248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 842159 - 2¹² = 838063 is a prime.

Together with 842161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842759) 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, 421079 + 421080.

It is an arithmetic number, because the mean of its divisors is an integer number (421080).

2⁸⁴²¹⁵⁹ is an apocalyptic number.

842159 is a deficient number, since it is larger than the sum of its proper divisors (1).

842159 is an equidigital number, since it uses as much as digits as its factorization.

842159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 29.

The square root of 842159 is about 917.6922141982. The cubic root of 842159 is about 94.4346477599.

It can be divided in two parts, 842 and 159, that added together give a palindrome (1001).

The spelling of 842159 in words is "eight hundred forty-two thousand, one hundred fifty-nine".