321120241 has 8 divisors (see below), whose sum is σ = 354257064. Its totient is φ = 289188480.

The previous prime is 321120187. The next prime is 321120263. The reversal of 321120241 is 142021123.

It can be written as a sum of positive squares in 4 ways, for example, as 50353216 + 270767025 = 7096^2 + 16455^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321120241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321120281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300706 + ... + 301771.

It is an arithmetic number, because the mean of its divisors is an integer number (44282133).

Almost surely, 2^321120241 is an apocalyptic number.

It is an amenable number.

321120241 is a deficient number, since it is larger than the sum of its proper divisors (33136823).

321120241 is a wasteful number, since it uses less digits than its factorization.

321120241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602531.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 321120241 is about 17919.8281520778. The cubic root of 321120241 is about 684.7876095755.

Adding to 321120241 its reverse (142021123), we get a palindrome (463141364).

The spelling of 321120241 in words is "three hundred twenty-one million, one hundred twenty thousand, two hundred forty-one".