319121 has 8 divisors (see below), whose sum is σ = 354144. Its totient is φ = 285120.

The previous prime is 319117. The next prime is 319127. The reversal of 319121 is 121913.

It is a happy number.

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

It is not a de Polignac number, because 319121 - 2² = 319117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 319121.

It is not an unprimeable number, because it can be changed into a prime (319127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521 + ... + 953.

It is an arithmetic number, because the mean of its divisors is an integer number (44268).

2³¹⁹¹²¹ is an apocalyptic number.

It is an amenable number.

319121 is a deficient number, since it is larger than the sum of its proper divisors (35023).

319121 is a wasteful number, since it uses less digits than its factorization.

319121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511.

The product of its digits is 54, while the sum is 17.

The square root of 319121 is about 564.9079571045. The cubic root of 319121 is about 68.3363525667.

It can be divided in two parts, 31912 and 1, that added together give a palindrome (31913).

The spelling of 319121 in words is "three hundred nineteen thousand, one hundred twenty-one".