320121441 has 24 divisors (see below), whose sum is σ = 490763520. Its totient is φ = 200382336.

The previous prime is 320121413. The next prime is 320121457. The reversal of 320121441 is 144121023.

320121441 is a `hidden beast` number, since 3 + 201 + 21 + 441 = 666.

It is not a de Polignac number, because 320121441 - 2⁷ = 320121313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320126441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68580 + ... + 73098.

It is an arithmetic number, because the mean of its divisors is an integer number (20448480).

Almost surely, 2^320121441 is an apocalyptic number.

It is an amenable number.

320121441 is a deficient number, since it is larger than the sum of its proper divisors (170642079).

320121441 is a wasteful number, since it uses less digits than its factorization.

320121441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005 (or 5002 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 320121441 is about 17891.9378771557. The cubic root of 320121441 is about 684.0768932228.

Adding to 320121441 its reverse (144121023), we get a palindrome (464242464).

It can be divided in two parts, 3201 and 21441, that added together give a palindrome (24642).

The spelling of 320121441 in words is "three hundred twenty million, one hundred twenty-one thousand, four hundred forty-one".