1282279 has 2 divisors, whose sum is σ = 1282280. Its totient is φ = 1282278.

The previous prime is 1282277. The next prime is 1282289. The reversal of 1282279 is 9722821.

It is a weak prime.

It is an emirp because it is prime and its reverse (9722821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1282279 - 2¹ = 1282277 is a prime.

Together with 1282277, it forms a pair of twin primes.

It is equal to p₉₈₇₇₀ and since 1282279 and 98770 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1282279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1282277) 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 as a sum of consecutive naturals, namely, 641139 + 641140.

It is an arithmetic number, because the mean of its divisors is an integer number (641140).

2^1282279 is an apocalyptic number.

1282279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282279 is an equidigital number, since it uses as much as digits as its factorization.

1282279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 1282279 is about 1132.3775872031. The cubic root of 1282279 is about 108.6411056008.

The spelling of 1282279 in words is "one million, two hundred eighty-two thousand, two hundred seventy-nine".