1121041584 has 120 divisors (see below), whose sum is σ = 3442748400. Its totient is φ = 338397696.

The previous prime is 1121041583. The next prime is 1121041589. The reversal of 1121041584 is 4851401211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1121041583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93567 + ... + 104865.

It is an arithmetic number, because the mean of its divisors is an integer number (28689570).

Almost surely, 2^1121041584 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121041584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1721374200).

1121041584 is an abundant number, since it is smaller than the sum of its proper divisors (2321706816).

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

1121041584 is a wasteful number, since it uses less digits than its factorization.

1121041584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11379 (or 11370 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 1121041584 is about 33481.9590824671. The cubic root of 1121041584 is about 1038.8206503142.

Adding to 1121041584 its reverse (4851401211), we get a palindrome (5972442795).

The spelling of 1121041584 in words is "one billion, one hundred twenty-one million, forty-one thousand, five hundred eighty-four".