1121227 has 12 divisors (see below), whose sum is σ = 1240560.
Its totient is φ = 1010240.
The previous prime is 1121221. The next prime is 1121231. The reversal of 1121227 is 7221211.
Subtracting from 1121227 its sum of digits (16), we obtain a palindrome (1121211).
Adding to 1121227 its reverse (7221211), we get a palindrome (8342438).
It is not a de Polignac number, because 1121227 - 211 = 1119179 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1121227.
It is not an unprimeable number, because it can be changed into a prime (1121221) 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 in 11 ways as a sum of consecutive naturals, for example, 27327 + ... + 27367.
It is an arithmetic number, because the mean of its divisors is an integer number (103380).
21121227 is an apocalyptic number.
1121227 is a deficient number, since it is larger than the sum of its proper divisors (119333).
1121227 is an equidigital number, since it uses as much as digits as its factorization.
1121227 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134 (or 93 counting only the distinct ones).
The product of its digits is 56, while the sum is 16.
The square root of 1121227 is about 1058.8800687519.
The cubic root of 1121227 is about 103.8877919481.
The spelling of 1121227 in words is "one million, one hundred twenty-one thousand, two hundred twenty-seven".