1426671 has 6 divisors (see below), whose sum is σ = 2060760. Its totient is φ = 951108.

The previous prime is 1426669. The next prime is 1426673. The reversal of 1426671 is 1766241.

It is an interprime number because it is at equal distance from previous prime (1426669) and next prime (1426673).

It is not a de Polignac number, because 1426671 - 2¹ = 1426669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426673) 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 in 5 ways as a sum of consecutive naturals, for example, 79251 + ... + 79268.

It is an arithmetic number, because the mean of its divisors is an integer number (343460).

2^1426671 is an apocalyptic number.

1426671 is a deficient number, since it is larger than the sum of its proper divisors (634089).

1426671 is a wasteful number, since it uses less digits than its factorization.

1426671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158525 (or 158522 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1426671 is about 1194.4333384497. The cubic root of 1426671 is about 112.5748242970.

The spelling of 1426671 in words is "one million, four hundred twenty-six thousand, six hundred seventy-one".