1226257 has 2 divisors, whose sum is σ = 1226258. Its totient is φ = 1226256.

The previous prime is 1226237. The next prime is 1226263. The reversal of 1226257 is 7526221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 938961 + 287296 = 969^2 + 536^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226257 - 2¹⁹ = 701969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1226237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613128 + 613129.

It is an arithmetic number, because the mean of its divisors is an integer number (613129).

2^1226257 is an apocalyptic number.

It is an amenable number.

1226257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226257 is an equidigital number, since it uses as much as digits as its factorization.

1226257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 1226257 is about 1107.3648901785. The cubic root of 1226257 is about 107.0353334848.

The spelling of 1226257 in words is "one million, two hundred twenty-six thousand, two hundred fifty-seven".