1227841 has 2 divisors, whose sum is σ = 1227842. Its totient is φ = 1227840.

The previous prime is 1227833. The next prime is 1227847. The reversal of 1227841 is 1487221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1218816 + 9025 = 1104^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 1227841 - 2³ = 1227833 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1227847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613920 + 613921.

It is an arithmetic number, because the mean of its divisors is an integer number (613921).

2^1227841 is an apocalyptic number.

It is an amenable number.

1227841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227841 is an equidigital number, since it uses as much as digits as its factorization.

1227841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 25.

The square root of 1227841 is about 1108.0798707674. The cubic root of 1227841 is about 107.0814007770.

The spelling of 1227841 in words is "one million, two hundred twenty-seven thousand, eight hundred forty-one".