1226807 has 2 divisors, whose sum is σ = 1226808.
Its totient is φ = 1226806.
The previous prime is 1226803. The next prime is 1226821. The reversal of 1226807 is 7086221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1226807 - 22 = 1226803 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1226801) 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, 613403 + 613404.
It is an arithmetic number, because the mean of its divisors is an integer number (613404).
21226807 is an apocalyptic number.
1226807 is a deficient number, since it is larger than the sum of its proper divisors (1).
1226807 is an equidigital number, since it uses as much as digits as its factorization.
1226807 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 1226807 is about 1107.6131996324.
The cubic root of 1226807 is about 107.0513335659.
The spelling of 1226807 in words is "one million, two hundred twenty-six thousand, eight hundred seven".