1125281224 has 16 divisors (see below), whose sum is σ = 2111541120. Its totient is φ = 562203600.

The previous prime is 1125281207. The next prime is 1125281243. The reversal of 1125281224 is 4221825211.

It is a junction number, because it is equal to n+sod(n) for n = 1125281192 and 1125281201.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 43552 + ... + 64399.

It is an arithmetic number, because the mean of its divisors is an integer number (131971320).

Almost surely, 2^1125281224 is an apocalyptic number.

It is an amenable number.

1125281224 is a deficient number, since it is larger than the sum of its proper divisors (986259896).

1125281224 is a wasteful number, since it uses less digits than its factorization.

1125281224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109260 (or 109256 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 1125281224 is about 33545.2116404115. The cubic root of 1125281224 is about 1040.1285664529.

The spelling of 1125281224 in words is "one billion, one hundred twenty-five million, two hundred eighty-one thousand, two hundred twenty-four".