321001201 has 4 divisors (see below), whose sum is σ = 321037312. Its totient is φ = 320965092.

The previous prime is 321001199. The next prime is 321001207. The reversal of 321001201 is 102100123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 321001201 - 2¹ = 321001199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321001207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5680 + ... + 25966.

It is an arithmetic number, because the mean of its divisors is an integer number (80259328).

Almost surely, 2^321001201 is an apocalyptic number.

It is an amenable number.

321001201 is a deficient number, since it is larger than the sum of its proper divisors (36111).

321001201 is a wasteful number, since it uses less digits than its factorization.

321001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36110.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 321001201 is about 17916.5063837792. The cubic root of 321001201 is about 684.7029816785.

Adding to 321001201 its reverse (102100123), we get a palindrome (423101324).

The spelling of 321001201 in words is "three hundred twenty-one million, one thousand, two hundred one".