1125043230 has 64 divisors (see below), whose sum is σ = 2798945280. Its totient is φ = 289221504.

The previous prime is 1125043217. The next prime is 1125043267. The reversal of 1125043230 is 323405211.

It is a junction number, because it is equal to n+sod(n) for n = 1125043197 and 1125043206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88516 + ... + 100424.

It is an arithmetic number, because the mean of its divisors is an integer number (43733520).

Almost surely, 2^1125043230 is an apocalyptic number.

1125043230 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 1125043230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1399472640).

1125043230 is an abundant number, since it is smaller than the sum of its proper divisors (1673902050).

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

1125043230 is a wasteful number, since it uses less digits than its factorization.

1125043230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12033.

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

The square root of 1125043230 is about 33541.6640910972. The cubic root of 1125043230 is about 1040.0552331366.

Adding to 1125043230 its reverse (323405211), we get a palindrome (1448448441).

The spelling of 1125043230 in words is "one billion, one hundred twenty-five million, forty-three thousand, two hundred thirty".