1125471748 has 12 divisors (see below), whose sum is σ = 2006737740. Its totient is φ = 552118112.

The previous prime is 1125471727. The next prime is 1125471749. The reversal of 1125471748 is 8471745211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 522671044 + 602800704 = 22862^2 + 24552^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1125471748.

It is not an unprimeable number, because it can be changed into a prime (1125471749) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2654203 + ... + 2654626.

It is an arithmetic number, because the mean of its divisors is an integer number (167228145).

Almost surely, 2^1125471748 is an apocalyptic number.

It is an amenable number.

1125471748 is a deficient number, since it is larger than the sum of its proper divisors (881265992).

1125471748 is a wasteful number, since it uses less digits than its factorization.

1125471748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5308886 (or 5308884 counting only the distinct ones).

The product of its digits is 62720, while the sum is 40.

The square root of 1125471748 is about 33548.0513293991. The cubic root of 1125471748 is about 1040.1872653416.

The spelling of 1125471748 in words is "one billion, one hundred twenty-five million, four hundred seventy-one thousand, seven hundred forty-eight".