1141221424 has 80 divisors (see below), whose sum is σ = 2721254400. Its totient is φ = 452477952.

The previous prime is 1141221421. The next prime is 1141221467. The reversal of 1141221424 is 4241221411.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1141221395 and 1141221404.

It is not an unprimeable number, because it can be changed into a prime (1141221421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107257 + ... + 117415.

It is an arithmetic number, because the mean of its divisors is an integer number (34015680).

Almost surely, 2^1141221424 is an apocalyptic number.

1141221424 is a gapful number since it is divisible by the number (14) 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 1141221424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360627200).

1141221424 is an abundant number, since it is smaller than the sum of its proper divisors (1580032976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1141221424 is a wasteful number, since it uses less digits than its factorization.

1141221424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250 (or 10244 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

The square root of 1141221424 is about 33781.9689183446. The cubic root of 1141221424 is about 1045.0168793775.

Adding to 1141221424 its reverse (4241221411), we get a palindrome (5382442835).

The spelling of 1141221424 in words is "one billion, one hundred forty-one million, two hundred twenty-one thousand, four hundred twenty-four".