224104121 has 2 divisors, whose sum is σ = 224104122. Its totient is φ = 224104120.

The previous prime is 224104099. The next prime is 224104159. The reversal of 224104121 is 121401422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149108521 + 74995600 = 12211^2 + 8660^2 .

It is a cyclic number.

It is not a de Polignac number, because 224104121 - 2¹⁸ = 223841977 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224104121.

It is not a weakly prime, because it can be changed into another prime (224104171) 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 as a sum of consecutive naturals, namely, 112052060 + 112052061.

It is an arithmetic number, because the mean of its divisors is an integer number (112052061).

Almost surely, 2^224104121 is an apocalyptic number.

It is an amenable number.

224104121 is a deficient number, since it is larger than the sum of its proper divisors (1).

224104121 is an equidigital number, since it uses as much as digits as its factorization.

224104121 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 17.

The square root of 224104121 is about 14970.1075814438. The cubic root of 224104121 is about 607.4118788110.

Adding to 224104121 its reverse (121401422), we get a palindrome (345505543).

The spelling of 224104121 in words is "two hundred twenty-four million, one hundred four thousand, one hundred twenty-one".