1266079 has 2 divisors, whose sum is σ = 1266080. Its totient is φ = 1266078.

The previous prime is 1266077. The next prime is 1266091. The reversal of 1266079 is 9706621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1266079 - 2¹ = 1266077 is a prime.

Together with 1266077, it forms a pair of twin primes.

1266079 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1266079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1266073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633039 + 633040.

It is an arithmetic number, because the mean of its divisors is an integer number (633040).

2^1266079 is an apocalyptic number.

1266079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1266079 is an equidigital number, since it uses as much as digits as its factorization.

1266079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1266079 is about 1125.2017596858. The cubic root of 1266079 is about 108.1816501785.

The spelling of 1266079 in words is "one million, two hundred sixty-six thousand, seventy-nine".