1091227 has 8 divisors (see below), whose sum is σ = 1164800. Its totient is φ = 1019304.

The previous prime is 1091221. The next prime is 1091239. The reversal of 1091227 is 7221901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1091227 - 2³ = 1091219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1091198 and 1091207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1091221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138 + ... + 1864.

It is an arithmetic number, because the mean of its divisors is an integer number (145600).

2^1091227 is an apocalyptic number.

1091227 is a deficient number, since it is larger than the sum of its proper divisors (73573).

1091227 is an equidigital number, since it uses as much as digits as its factorization.

1091227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1091227 is about 1044.6181120390. The cubic root of 1091227 is about 102.9528486229.

The spelling of 1091227 in words is "one million, ninety-one thousand, two hundred twenty-seven".