441654121 has 2 divisors, whose sum is σ = 441654122. Its totient is φ = 441654120.

The previous prime is 441654097. The next prime is 441654127. The reversal of 441654121 is 121456144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 375003225 + 66650896 = 19365^2 + 8164^2 .

It is a cyclic number.

It is not a de Polignac number, because 441654121 - 2⁹ = 441653609 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 441654121.

It is not a weakly prime, because it can be changed into another prime (441654127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220827060 + 220827061.

It is an arithmetic number, because the mean of its divisors is an integer number (220827061).

Almost surely, 2^441654121 is an apocalyptic number.

It is an amenable number.

441654121 is a deficient number, since it is larger than the sum of its proper divisors (1).

441654121 is an equidigital number, since it uses as much as digits as its factorization.

441654121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 28.

The square root of 441654121 is about 21015.5685385859. The cubic root of 441654121 is about 761.5424129298.

The spelling of 441654121 in words is "four hundred forty-one million, six hundred fifty-four thousand, one hundred twenty-one".