441403121 has 2 divisors, whose sum is σ = 441403122. Its totient is φ = 441403120.

The previous prime is 441403111. The next prime is 441403129. The reversal of 441403121 is 121304144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334487521 + 106915600 = 18289^2 + 10340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441403121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 441403093 and 441403102.

It is not a weakly prime, because it can be changed into another prime (441403129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220701560 + 220701561.

It is an arithmetic number, because the mean of its divisors is an integer number (220701561).

Almost surely, 2^441403121 is an apocalyptic number.

It is an amenable number.

441403121 is a deficient number, since it is larger than the sum of its proper divisors (1).

441403121 is an equidigital number, since it uses as much as digits as its factorization.

441403121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 441403121 is about 21009.5959266236. The cubic root of 441403121 is about 761.3981194968.

Adding to 441403121 its reverse (121304144), we get a palindrome (562707265).

The spelling of 441403121 in words is "four hundred forty-one million, four hundred three thousand, one hundred twenty-one".