3241220121 has 6 divisors (see below), whose sum is σ = 4681762410. Its totient is φ = 2160813408.

The previous prime is 3241220093. The next prime is 3241220161. The reversal of 3241220121 is 1210221423.

It is a happy number.

3241220121 is a `hidden beast` number, since 32 + 412 + 201 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2581757721 + 659462400 = 50811^2 + 25680^2 .

It is not a de Polignac number, because 3241220121 - 2¹⁵ = 3241187353 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3241220094 and 3241220103.

It is not an unprimeable number, because it can be changed into a prime (3241220161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180067776 + ... + 180067793.

It is an arithmetic number, because the mean of its divisors is an integer number (780293735).

Almost surely, 2^3241220121 is an apocalyptic number.

It is an amenable number.

3241220121 is a deficient number, since it is larger than the sum of its proper divisors (1440542289).

3241220121 is a wasteful number, since it uses less digits than its factorization.

3241220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360135575 (or 360135572 counting only the distinct ones).

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

The square root of 3241220121 is about 56931.7145447070. The cubic root of 3241220121 is about 1479.9129667897.

Adding to 3241220121 its reverse (1210221423), we get a palindrome (4451441544).

The spelling of 3241220121 in words is "three billion, two hundred forty-one million, two hundred twenty thousand, one hundred twenty-one".