1426109 has 2 divisors, whose sum is σ = 1426110. Its totient is φ = 1426108.

The previous prime is 1426097. The next prime is 1426111. The reversal of 1426109 is 9016241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092025 + 334084 = 1045^2 + 578^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426109 - 2¹² = 1422013 is a prime.

Together with 1426111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713054 + 713055.

It is an arithmetic number, because the mean of its divisors is an integer number (713055).

2^1426109 is an apocalyptic number.

It is an amenable number.

1426109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426109 is an equidigital number, since it uses as much as digits as its factorization.

1426109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1426109 is about 1194.1980572753. The cubic root of 1426109 is about 112.5600403792.

The spelling of 1426109 in words is "one million, four hundred twenty-six thousand, one hundred nine".