1130542230 has 128 divisors (see below), whose sum is σ = 2938208256. Its totient is φ = 277692800.

The previous prime is 1130542201. The next prime is 1130542243. The reversal of 1130542230 is 322450311.

It is a junction number, because it is equal to n+sod(n) for n = 1130542197 and 1130542206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2302285 + ... + 2302775.

It is an arithmetic number, because the mean of its divisors is an integer number (22954752).

Almost surely, 2^1130542230 is an apocalyptic number.

1130542230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130542230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1469104128).

1130542230 is an abundant number, since it is smaller than the sum of its proper divisors (1807666026).

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

1130542230 is a wasteful number, since it uses less digits than its factorization.

1130542230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1130542230 is about 33623.5368454896. The cubic root of 1130542230 is about 1041.7470113032.

Adding to 1130542230 its reverse (322450311), we get a palindrome (1452992541).

It can be divided in two parts, 11305 and 42230, that added together give a palindrome (53535).

The spelling of 1130542230 in words is "one billion, one hundred thirty million, five hundred forty-two thousand, two hundred thirty".