1111122 has 12 divisors (see below), whose sum is σ = 2407470.
Its totient is φ = 370368.
The previous prime is 1111091. The next prime is 1111151. The reversal of 1111122 is 2211111.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 622521 + 488601 = 789^2 + 699^2
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a nude number because it is divisible by every one of its digits.
It is a plaindrome in base 10.
It is a zygodrome in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30847 + ... + 30882.
21111122 is an apocalyptic number.
1111122 is an abundant number, since it is smaller than the sum of its proper divisors (1296348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1111122 is a wasteful number, since it uses less digits than its factorization.
1111122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61737 (or 61734 counting only the distinct ones).
The product of its digits is 4, while the sum is 9.
The square root of 1111122 is about 1054.0977184303.
The cubic root of 1111122 is about 103.5747552071.
Adding to 1111122 its reverse (2211111), we get a palindrome (3322233).
It can be divided in two parts, 11111 and 22, that multiplied together give a palindrome (244442).
The spelling of 1111122 in words is "one million, one hundred eleven thousand, one hundred twenty-two".