1226417 has 2 divisors, whose sum is σ = 1226418. Its totient is φ = 1226416.

The previous prime is 1226387. The next prime is 1226461. The reversal of 1226417 is 7146221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 913936 + 312481 = 956^2 + 559^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226417 - 2⁶ = 1226353 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1226392 and 1226401.

It is not a weakly prime, because it can be changed into another prime (1226117) 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, 613208 + 613209.

It is an arithmetic number, because the mean of its divisors is an integer number (613209).

2^1226417 is an apocalyptic number.

It is an amenable number.

1226417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226417 is an equidigital number, since it uses as much as digits as its factorization.

1226417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 23.

The square root of 1226417 is about 1107.4371313984. The cubic root of 1226417 is about 107.0399885472.

The spelling of 1226417 in words is "one million, two hundred twenty-six thousand, four hundred seventeen".