1121133330 has 96 divisors (see below), whose sum is σ = 3046034160. Its totient is φ = 285734400.

The previous prime is 1121133329. The next prime is 1121133341. The reversal of 1121133330 is 333311211.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 566106849 + 555026481 = 23793^2 + 23559^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261484 + ... + 265736.

Almost surely, 2^1121133330 is an apocalyptic number.

1121133330 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 1121133330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523017080).

1121133330 is an abundant number, since it is smaller than the sum of its proper divisors (1924900830).

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

1121133330 is a wasteful number, since it uses less digits than its factorization.

1121133330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396 (or 4393 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1121133330 is about 33483.3291355564. The cubic root of 1121133330 is about 1038.8489885551.

Adding to 1121133330 its reverse (333311211), we get a palindrome (1454444541).

The spelling of 1121133330 in words is "one billion, one hundred twenty-one million, one hundred thirty-three thousand, three hundred thirty".