321320122 has 8 divisors (see below), whose sum is σ = 482180256. Its totient is φ = 160593372.

The previous prime is 321320113. The next prime is 321320137. The reversal of 321320122 is 221023123.

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

It is a junction number, because it is equal to n+sod(n) for n = 321320096 and 321320105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27088 + ... + 37099.

It is an arithmetic number, because the mean of its divisors is an integer number (60272532).

Almost surely, 2^321320122 is an apocalyptic number.

321320122 is a deficient number, since it is larger than the sum of its proper divisors (160860134).

321320122 is a wasteful number, since it uses less digits than its factorization.

321320122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66692.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 321320122 is about 17925.4043747972. The cubic root of 321320122 is about 684.9296619130.

Adding to 321320122 its reverse (221023123), we get a palindrome (542343245).

The spelling of 321320122 in words is "three hundred twenty-one million, three hundred twenty thousand, one hundred twenty-two".