1120983228 has 72 divisors (see below), whose sum is σ = 2918552000. Its totient is φ = 362517120.

The previous prime is 1120983221. The next prime is 1120983233. The reversal of 1120983228 is 8223890211.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1120983192 and 1120983201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120983221) 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, 559773 + ... + 561771.

Almost surely, 2^1120983228 is an apocalyptic number.

1120983228 is a gapful number since it is divisible by the number (18) 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 1120983228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1459276000).

1120983228 is an abundant number, since it is smaller than the sum of its proper divisors (1797568772).

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

1120983228 is a wasteful number, since it uses less digits than its factorization.

1120983228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467 (or 2462 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1120983228 is about 33481.0876167427. The cubic root of 1120983228 is about 1038.8026246760.

It can be divided in two parts, 1120983 and 228, that added together give a palindrome (1121211).

The spelling of 1120983228 in words is "one billion, one hundred twenty million, nine hundred eighty-three thousand, two hundred twenty-eight".