1226867 has 2 divisors, whose sum is σ = 1226868. Its totient is φ = 1226866.

The previous prime is 1226861. The next prime is 1226891. The reversal of 1226867 is 7686221.

It is a weak prime.

It is an emirp because it is prime and its reverse (7686221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1226867 - 2⁴ = 1226851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1226861) 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, 613433 + 613434.

It is an arithmetic number, because the mean of its divisors is an integer number (613434).

2^1226867 is an apocalyptic number.

1226867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226867 is an equidigital number, since it uses as much as digits as its factorization.

1226867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 1226867 is about 1107.6402845690. The cubic root of 1226867 is about 107.0530787399.

The spelling of 1226867 in words is "one million, two hundred twenty-six thousand, eight hundred sixty-seven".