1130042120 has 16 divisors (see below), whose sum is σ = 2542594860. Its totient is φ = 452016832.

The previous prime is 1130042113. The next prime is 1130042129. The reversal of 1130042120 is 212400311.

It can be written as a sum of positive squares in 2 ways, for example, as 1123188196 + 6853924 = 33514^2 + 2618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1130042095 and 1130042104.

It is not an unprimeable number, because it can be changed into a prime (1130042129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14125487 + ... + 14125566.

Almost surely, 2^1130042120 is an apocalyptic number.

1130042120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130042120 is an abundant number, since it is smaller than the sum of its proper divisors (1412552740).

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

1130042120 is a wasteful number, since it uses less digits than its factorization.

1130042120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28251064 (or 28251060 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1130042120 is about 33616.0991193208. The cubic root of 1130042120 is about 1041.5933785523.

Adding to 1130042120 its reverse (212400311), we get a palindrome (1342442431).

The spelling of 1130042120 in words is "one billion, one hundred thirty million, forty-two thousand, one hundred twenty".