1279081 has 2 divisors, whose sum is σ = 1279082. Its totient is φ = 1279080.

The previous prime is 1279043. The next prime is 1279087. The reversal of 1279081 is 1809721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1265625 + 13456 = 1125^2 + 116^2 .

It is a cyclic number.

It is not a de Polignac number, because 1279081 - 2¹⁵ = 1246313 is a prime.

It is a super-2 number, since 2×1279081² = 3272096409122, which contains 22 as substring.

1279081 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1279087) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639540 + 639541.

It is an arithmetic number, because the mean of its divisors is an integer number (639541).

2^1279081 is an apocalyptic number.

It is an amenable number.

1279081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1279081 is an equidigital number, since it uses as much as digits as its factorization.

1279081 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 1279081 is about 1130.9646325151. The cubic root of 1279081 is about 108.5507135489.

The spelling of 1279081 in words is "one million, two hundred seventy-nine thousand, eighty-one".