1426171 has 2 divisors, whose sum is σ = 1426172. Its totient is φ = 1426170.

The previous prime is 1426169. The next prime is 1426199. The reversal of 1426171 is 1716241.

It is a weak prime.

It is an emirp because it is prime and its reverse (1716241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1426171 - 2¹ = 1426169 is a prime.

Together with 1426169, it forms a pair of twin primes.

It is equal to p₁₀₈₉₃₁ and since 1426171 and 108931 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1426111) 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, 713085 + 713086.

It is an arithmetic number, because the mean of its divisors is an integer number (713086).

2^1426171 is an apocalyptic number.

1426171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426171 is an equidigital number, since it uses as much as digits as its factorization.

1426171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 22.

The square root of 1426171 is about 1194.2240158362. The cubic root of 1426171 is about 112.5616715358.

The spelling of 1426171 in words is "one million, four hundred twenty-six thousand, one hundred seventy-one".