1226801 has 2 divisors, whose sum is σ = 1226802. Its totient is φ = 1226800.

The previous prime is 1226789. The next prime is 1226803. The reversal of 1226801 is 1086221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1221025 + 5776 = 1105^2 + 76^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1226801 is a prime.

Together with 1226803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1226803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613400 + 613401.

It is an arithmetic number, because the mean of its divisors is an integer number (613401).

2^1226801 is an apocalyptic number.

It is an amenable number.

1226801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226801 is an equidigital number, since it uses as much as digits as its factorization.

1226801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1226801 is about 1107.6104911024. The cubic root of 1226801 is about 107.0511590453.

The spelling of 1226801 in words is "one million, two hundred twenty-six thousand, eight hundred one".