321118 has 8 divisors (see below), whose sum is σ = 550512. Its totient is φ = 137616.

The previous prime is 321109. The next prime is 321143. The reversal of 321118 is 811123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11455 + ... + 11482.

It is an arithmetic number, because the mean of its divisors is an integer number (68814).

2³²¹¹¹⁸ is an apocalyptic number.

321118 is a deficient number, since it is larger than the sum of its proper divisors (229394).

321118 is a wasteful number, since it uses less digits than its factorization.

321118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22946.

The product of its digits is 48, while the sum is 16.

The square root of 321118 is about 566.6727450654. The cubic root of 321118 is about 68.4786016597.

The spelling of 321118 in words is "three hundred twenty-one thousand, one hundred eighteen".