1286011 has 2 divisors, whose sum is σ = 1286012. Its totient is φ = 1286010.

The previous prime is 1285993. The next prime is 1286017. The reversal of 1286011 is 1106821.

It is a strong prime.

It is an emirp because it is prime and its reverse (1106821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1286011 - 2¹³ = 1277819 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1286011.

It is not a weakly prime, because it can be changed into another prime (1286017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643005 + 643006.

It is an arithmetic number, because the mean of its divisors is an integer number (643006).

2^1286011 is an apocalyptic number.

1286011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1286011 is an equidigital number, since it uses as much as digits as its factorization.

1286011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1286011 is about 1134.0242501816. The cubic root of 1286011 is about 108.7464014311.

The spelling of 1286011 in words is "one million, two hundred eighty-six thousand, eleven".