1125566160 has 40 divisors (see below), whose sum is σ = 3489255840. Its totient is φ = 300150912.

The previous prime is 1125566149. The next prime is 1125566161. The reversal of 1125566160 is 616655211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125566161) 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, 2344690 + ... + 2345169.

It is an arithmetic number, because the mean of its divisors is an integer number (87231396).

Almost surely, 2^1125566160 is an apocalyptic number.

1125566160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125566160 is an abundant number, since it is smaller than the sum of its proper divisors (2363689680).

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

1125566160 is a wasteful number, since it uses less digits than its factorization.

1125566160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689875 (or 4689869 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 1125566160 is about 33549.4584158970. The cubic root of 1125566160 is about 1040.2163504532.

The spelling of 1125566160 in words is "one billion, one hundred twenty-five million, five hundred sixty-six thousand, one hundred sixty".