1426071 has 8 divisors (see below), whose sum is σ = 1937520.
Its totient is φ = 932672.
The previous prime is 1426067. The next prime is 1426081. The reversal of 1426071 is 1706241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1426071 - 22 = 1426067 is a prime.
1426071 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1426081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4326 + ... + 4643.
It is an arithmetic number, because the mean of its divisors is an integer number (242190).
21426071 is an apocalyptic number.
1426071 is a deficient number, since it is larger than the sum of its proper divisors (511449).
1426071 is an equidigital number, since it uses as much as digits as its factorization.
1426071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9025.
The product of its (nonzero) digits is 336, while the sum is 21.
The square root of 1426071 is about 1194.1821469106.
The cubic root of 1426071 is about 112.5590406147.
The spelling of 1426071 in words is "one million, four hundred twenty-six thousand, seventy-one".