321159 has 4 divisors (see below), whose sum is σ = 428216. Its totient is φ = 214104.

The previous prime is 321143. The next prime is 321163. The reversal of 321159 is 951123.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 321159 - 2⁴ = 321143 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 321159.

It is not an unprimeable number, because it can be changed into a prime (321109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53524 + ... + 53529.

It is an arithmetic number, because the mean of its divisors is an integer number (107054).

2³²¹¹⁵⁹ is an apocalyptic number.

321159 is a deficient number, since it is larger than the sum of its proper divisors (107057).

321159 is a wasteful number, since it uses less digits than its factorization.

321159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107056.

The product of its digits is 270, while the sum is 21.

The square root of 321159 is about 566.7089199933. The cubic root of 321159 is about 68.4815159604.

The spelling of 321159 in words is "three hundred twenty-one thousand, one hundred fifty-nine".