1444111 has 2 divisors, whose sum is σ = 1444112. Its totient is φ = 1444110.

The previous prime is 1444109. The next prime is 1444181. The reversal of 1444111 is 1114441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1444111 - 2¹ = 1444109 is a prime.

Together with 1444109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722055 + 722056.

It is an arithmetic number, because the mean of its divisors is an integer number (722056).

2^1444111 is an apocalyptic number.

1444111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444111 is an equidigital number, since it uses as much as digits as its factorization.

1444111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64, while the sum is 16.

The square root of 1444111 is about 1201.7116958738. The cubic root of 1444111 is about 113.0316824520.

Adding to 1444111 its reverse (1114441), we get a palindrome (2558552).

It can be divided in two parts, 14441 and 11, that multiplied together give a palindrome (158851).

The spelling of 1444111 in words is "one million, four hundred forty-four thousand, one hundred eleven".