1125224660 has 24 divisors (see below), whose sum is σ = 2700539520. Its totient is φ = 385791264.

The previous prime is 1125224647. The next prime is 1125224677. The reversal of 1125224660 is 664225211.

It is a super-2 number, since 2×1125224660² = 2532261070944231200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4018520 + ... + 4018799.

It is an arithmetic number, because the mean of its divisors is an integer number (112522480).

Almost surely, 2^1125224660 is an apocalyptic number.

1125224660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125224660 is an abundant number, since it is smaller than the sum of its proper divisors (1575314860).

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

1125224660 is a wasteful number, since it uses less digits than its factorization.

1125224660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8037335 (or 8037333 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1125224660 is about 33544.3685288604. The cubic root of 1125224660 is about 1040.1111382709. Note that the first 4 decimals are identical.

Adding to 1125224660 its reverse (664225211), we get a palindrome (1789449871).

The spelling of 1125224660 in words is "one billion, one hundred twenty-five million, two hundred twenty-four thousand, six hundred sixty".