320322121 has 8 divisors (see below), whose sum is σ = 385350080. Its totient is φ = 260111088.

The previous prime is 320322113. The next prime is 320322131. The reversal of 320322121 is 121223023.

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

It is a cyclic number.

It is not a de Polignac number, because 320322121 - 2³ = 320322113 is a prime.

It is a super-2 number, since 2×320322121² = 205212522403877282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320322095 and 320322104.

It is not an unprimeable number, because it can be changed into a prime (320322131) 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, 1204086 + ... + 1204351.

It is an arithmetic number, because the mean of its divisors is an integer number (48168760).

Almost surely, 2^320322121 is an apocalyptic number.

It is an amenable number.

320322121 is a deficient number, since it is larger than the sum of its proper divisors (65027959).

320322121 is a wasteful number, since it uses less digits than its factorization.

320322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408463.

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

The square root of 320322121 is about 17897.5451109922. The cubic root of 320322121 is about 684.2198096881.

Adding to 320322121 its reverse (121223023), we get a palindrome (441545144).

The spelling of 320322121 in words is "three hundred twenty million, three hundred twenty-two thousand, one hundred twenty-one".