1125230560 has 96 divisors (see below), whose sum is σ = 2776032000. Its totient is φ = 430510080.

The previous prime is 1125230543. The next prime is 1125230563. The reversal of 1125230560 is 650325211.

It is a super-2 number, since 2×1125230560² = 2532287626315827200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125230563) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 440166 + ... + 442714.

It is an arithmetic number, because the mean of its divisors is an integer number (28917000).

Almost surely, 2^1125230560 is an apocalyptic number.

1125230560 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 1125230560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1388016000).

1125230560 is an abundant number, since it is smaller than the sum of its proper divisors (1650801440).

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

1125230560 is a wasteful number, since it uses less digits than its factorization.

1125230560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684 (or 2676 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1125230560 is about 33544.4564719716. The cubic root of 1125230560 is about 1040.1129561730.

Adding to 1125230560 its reverse (650325211), we get a palindrome (1775555771).

The spelling of 1125230560 in words is "one billion, one hundred twenty-five million, two hundred thirty thousand, five hundred sixty".