1122411 has 4 divisors (see below), whose sum is σ = 1496552.
Its totient is φ = 748272.
The previous prime is 1122397. The next prime is 1122419. The reversal of 1122411 is 1142211.
Adding to 1122411 its reverse (1142211), we get a palindrome (2264622).
It can be divided in two parts, 11 and 22411, that added together give a palindrome (22422).
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 1122411 - 27 = 1122283 is a prime.
It is a D-number.
It is a Duffinian number.
1122411 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (1122419) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187066 + ... + 187071.
It is an arithmetic number, because the mean of its divisors is an integer number (374138).
21122411 is an apocalyptic number.
1122411 is a deficient number, since it is larger than the sum of its proper divisors (374141).
1122411 is an equidigital number, since it uses as much as digits as its factorization.
1122411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 374140.
The product of its digits is 16, while the sum is 12.
The square root of 1122411 is about 1059.4390024914.
The cubic root of 1122411 is about 103.9243471013.
The spelling of 1122411 in words is "one million, one hundred twenty-two thousand, four hundred eleven".