1121328330 has 64 divisors (see below), whose sum is σ = 2857120128. Its totient is φ = 280678400.

The previous prime is 1121328323. The next prime is 1121328331. The reversal of 1121328330 is 338231211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121328330.

It is not an unprimeable number, because it can be changed into a prime (1121328331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201769 + ... + 207251.

It is an arithmetic number, because the mean of its divisors is an integer number (44642502).

Almost surely, 2^1121328330 is an apocalyptic number.

1121328330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121328330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428560064).

1121328330 is an abundant number, since it is smaller than the sum of its proper divisors (1735791798).

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

1121328330 is a wasteful number, since it uses less digits than its factorization.

1121328330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1121328330 is about 33486.2409057810. The cubic root of 1121328330 is about 1038.9092144604.

Adding to 1121328330 its reverse (338231211), we get a palindrome (1459559541).

The spelling of 1121328330 in words is "one billion, one hundred twenty-one million, three hundred twenty-eight thousand, three hundred thirty".