1426111 has 2 divisors, whose sum is σ = 1426112. Its totient is φ = 1426110.

The previous prime is 1426109. The next prime is 1426123. The reversal of 1426111 is 1116241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1426111 - 2¹ = 1426109 is a prime.

Together with 1426109, 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 (1426141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713055 + 713056.

It is an arithmetic number, because the mean of its divisors is an integer number (713056).

2^1426111 is an apocalyptic number.

1426111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426111 is an equidigital number, since it uses as much as digits as its factorization.

1426111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 16.

The square root of 1426111 is about 1194.1988946570. The cubic root of 1426111 is about 112.5600929979.

The spelling of 1426111 in words is "one million, four hundred twenty-six thousand, one hundred eleven".