1130022120 has 128 divisors (see below), whose sum is σ = 3519676800. Its totient is φ = 289895424.

The previous prime is 1130022077. The next prime is 1130022121. The reversal of 1130022120 is 212200311.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1130022096 and 1130022105.

It is not an unprimeable number, because it can be changed into a prime (1130022121) 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, 1541274 + ... + 1542006.

It is an arithmetic number, because the mean of its divisors is an integer number (27497475).

Almost surely, 2^1130022120 is an apocalyptic number.

1130022120 is a gapful number since it is divisible by the number (10) 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 1130022120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1759838400).

1130022120 is an abundant number, since it is smaller than the sum of its proper divisors (2389654680).

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

1130022120 is a wasteful number, since it uses less digits than its factorization.

1130022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1130022120 is about 33615.8016414900. The cubic root of 1130022120 is about 1041.5872336514.

Adding to 1130022120 its reverse (212200311), we get a palindrome (1342222431).

The spelling of 1130022120 in words is "one billion, one hundred thirty million, twenty-two thousand, one hundred twenty".