1123130000 has 100 divisors (see below), whose sum is σ = 2807701248. Its totient is φ = 434640000.

The previous prime is 1123129991. The next prime is 1123130053. The reversal of 1123130000 is 313211.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×1123130000² = 2522841993800000000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 308189 + ... + 311811.

Almost surely, 2^1123130000 is an apocalyptic number.

1123130000 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 1123130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403850624).

1123130000 is an abundant number, since it is smaller than the sum of its proper divisors (1684571248).

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

1123130000 is an equidigital number, since it uses as much as digits as its factorization.

1123130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682 (or 3661 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1123130000 is about 33513.1317545824. The cubic root of 1123130000 is about 1039.4653316808.

Adding to 1123130000 its reverse (313211), we get a palindrome (1123443211).

The spelling of 1123130000 in words is "one billion, one hundred twenty-three million, one hundred thirty thousand".