4404121 has 2 divisors, whose sum is σ = 4404122. Its totient is φ = 4404120.

The previous prime is 4404107. The next prime is 4404133. The reversal of 4404121 is 1214044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4044121 + 360000 = 2011^2 + 600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4404121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4404095 and 4404104.

It is not a weakly prime, because it can be changed into another prime (4404151) 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 as a sum of consecutive naturals, namely, 2202060 + 2202061.

It is an arithmetic number, because the mean of its divisors is an integer number (2202061).

Almost surely, 2^4404121 is an apocalyptic number.

It is an amenable number.

4404121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4404121 is an equidigital number, since it uses as much as digits as its factorization.

4404121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4404121 is about 2098.5997712761. The cubic root of 4404121 is about 163.9153960807.

Adding to 4404121 its reverse (1214044), we get a palindrome (5618165).

The spelling of 4404121 in words is "four million, four hundred four thousand, one hundred twenty-one".