1143130120 has 128 divisors (see below), whose sum is σ = 2934662400. Its totient is φ = 396928000.

The previous prime is 1143130111. The next prime is 1143130123. The reversal of 1143130120 is 210313411.

It is a junction number, because it is equal to n+sod(n) for n = 1143130094 and 1143130103.

It is not an unprimeable number, because it can be changed into a prime (1143130123) 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, 1288317 + ... + 1289203.

It is an arithmetic number, because the mean of its divisors is an integer number (22927050).

Almost surely, 2^1143130120 is an apocalyptic number.

1143130120 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 1143130120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467331200).

1143130120 is an abundant number, since it is smaller than the sum of its proper divisors (1791532280).

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

1143130120 is a wasteful number, since it uses less digits than its factorization.

1143130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039 (or 1035 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1143130120 is about 33810.2073344722. The cubic root of 1143130120 is about 1045.5991527575.

Adding to 1143130120 its reverse (210313411), we get a palindrome (1353443531).

The spelling of 1143130120 in words is "one billion, one hundred forty-three million, one hundred thirty thousand, one hundred twenty".