1089227 has 2 divisors, whose sum is σ = 1089228. Its totient is φ = 1089226.

The previous prime is 1089223. The next prime is 1089239. The reversal of 1089227 is 7229801.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1089227 - 2² = 1089223 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1089227.

It is not a weakly prime, because it can be changed into another prime (1089223) 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, 544613 + 544614.

It is an arithmetic number, because the mean of its divisors is an integer number (544614).

2^1089227 is an apocalyptic number.

1089227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089227 is an equidigital number, since it uses as much as digits as its factorization.

1089227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1089227 is about 1043.6603853745. The cubic root of 1089227 is about 102.8899128573.

The spelling of 1089227 in words is "one million, eighty-nine thousand, two hundred twenty-seven".