1081279 has 2 divisors, whose sum is σ = 1081280. Its totient is φ = 1081278.

The previous prime is 1081277. The next prime is 1081291. The reversal of 1081279 is 9721801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1081279 - 2¹ = 1081277 is a prime.

Together with 1081277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540639 + 540640.

It is an arithmetic number, because the mean of its divisors is an integer number (540640).

2^1081279 is an apocalyptic number.

1081279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081279 is an equidigital number, since it uses as much as digits as its factorization.

1081279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 1081279 is about 1039.8456616248. The cubic root of 1081279 is about 102.6390419201.

The spelling of 1081279 in words is "one million, eighty-one thousand, two hundred seventy-nine".