1125644716 has 48 divisors (see below), whose sum is σ = 2295175680. Its totient is φ = 473057280.

The previous prime is 1125644711. The next prime is 1125644803. The reversal of 1125644716 is 6174465211.

It is not an unprimeable number, because it can be changed into a prime (1125644711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1058401 + ... + 1059463.

It is an arithmetic number, because the mean of its divisors is an integer number (47816160).

Almost surely, 2^1125644716 is an apocalyptic number.

It is an amenable number.

1125644716 is an abundant number, since it is smaller than the sum of its proper divisors (1169530964).

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

1125644716 is a wasteful number, since it uses less digits than its factorization.

1125644716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774 (or 1772 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 1125644716 is about 33550.6291446226. The cubic root of 1125644716 is about 1040.2405496333.

The spelling of 1125644716 in words is "one billion, one hundred twenty-five million, six hundred forty-four thousand, seven hundred sixteen".