321346121 has 8 divisors (see below), whose sum is σ = 340464384. Its totient is φ = 302251840.

The previous prime is 321346117. The next prime is 321346139. The reversal of 321346121 is 121643123.

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

It is not a de Polignac number, because 321346121 - 2² = 321346117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321346171) 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, 26756 + ... + 36858.

It is an arithmetic number, because the mean of its divisors is an integer number (42558048).

Almost surely, 2^321346121 is an apocalyptic number.

It is an amenable number.

321346121 is a deficient number, since it is larger than the sum of its proper divisors (19118263).

321346121 is a wasteful number, since it uses less digits than its factorization.

321346121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11991.

The product of its digits is 864, while the sum is 23.

The square root of 321346121 is about 17926.1295599468. The cubic root of 321346121 is about 684.9481346704.

Adding to 321346121 its reverse (121643123), we get a palindrome (442989244).

The spelling of 321346121 in words is "three hundred twenty-one million, three hundred forty-six thousand, one hundred twenty-one".