1426271 has 8 divisors (see below), whose sum is σ = 1778304. Its totient is φ = 1111320.

The previous prime is 1426247. The next prime is 1426277. The reversal of 1426271 is 1726241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1426271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426277) 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 7 ways as a sum of consecutive naturals, for example, 9185 + ... + 9338.

It is an arithmetic number, because the mean of its divisors is an integer number (222288).

2^1426271 is an apocalyptic number.

1426271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1426271 is a deficient number, since it is larger than the sum of its proper divisors (352033).

1426271 is a wasteful number, since it uses less digits than its factorization.

1426271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18541.

The product of its digits is 672, while the sum is 23.

The square root of 1426271 is about 1194.2658832940. The cubic root of 1426271 is about 112.5643023340.

The spelling of 1426271 in words is "one million, four hundred twenty-six thousand, two hundred seventy-one".