1125726112 has 48 divisors (see below), whose sum is σ = 2561388480. Its totient is φ = 477024768.

The previous prime is 1125726083. The next prime is 1125726113. The reversal of 1125726112 is 2116275211.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1125726113) 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 7 ways as a sum of consecutive naturals, for example, 8298 + ... + 48169.

It is an arithmetic number, because the mean of its divisors is an integer number (53362260).

Almost surely, 2^1125726112 is an apocalyptic number.

It is an amenable number.

1125726112 is an abundant number, since it is smaller than the sum of its proper divisors (1435662368).

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

1125726112 is an equidigital number, since it uses as much as digits as its factorization.

1125726112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56573 (or 56565 counting only the distinct ones).

The product of its digits is 1680, while the sum is 28.

The square root of 1125726112 is about 33551.8421550889. The cubic root of 1125726112 is about 1040.2656224879.

The spelling of 1125726112 in words is "one billion, one hundred twenty-five million, seven hundred twenty-six thousand, one hundred twelve".