1426281 has 4 divisors (see below), whose sum is σ = 1901712. Its totient is φ = 950852.

The previous prime is 1426277. The next prime is 1426289. The reversal of 1426281 is 1826241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1426281 - 2² = 1426277 is a prime.

It is a super-2 number, since 2×1426281² = 4068554981922, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1426289) 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 3 ways as a sum of consecutive naturals, for example, 237711 + ... + 237716.

It is an arithmetic number, because the mean of its divisors is an integer number (475428).

2^1426281 is an apocalyptic number.

It is an amenable number.

1426281 is a deficient number, since it is larger than the sum of its proper divisors (475431).

1426281 is an equidigital number, since it uses as much as digits as its factorization.

1426281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475430.

The product of its digits is 768, while the sum is 24.

The square root of 1426281 is about 1194.2700699591. The cubic root of 1426281 is about 112.5645654070.

The spelling of 1426281 in words is "one million, four hundred twenty-six thousand, two hundred eighty-one".