Adding to 1141220 its reverse (221411), we get a palindrome (1362631).
21141220 is an apocalyptic number.
1141220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1141220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1227072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1141220 is a wasteful number, since it uses less digits than its factorization.
1141220 is an evil number, because the sum of its binary digits is even.
The square root of 1141220 is about 1068.2789897775. The cubic root of 1141220 is about 104.5016444725.
The spelling of 1141220 in words is "one million, one hundred forty-one thousand, two hundred twenty".