1125575712 has 72 divisors (see below), whose sum is σ = 3389156316. Its totient is φ = 353120256.

The previous prime is 1125575677. The next prime is 1125575719. The reversal of 1125575712 is 2175755211.

1125575712 is a `hidden beast` number, since 1 + 12 + 5 + 575 + 71 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1099320336 + 26255376 = 33156^2 + 5124^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1125575719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110053 + ... + 119844.

Almost surely, 2^1125575712 is an apocalyptic number.

1125575712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1125575712 is an abundant number, since it is smaller than the sum of its proper divisors (2263580604).

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

1125575712 is a wasteful number, since it uses less digits than its factorization.

1125575712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229930 (or 229919 counting only the distinct ones).

The product of its digits is 24500, while the sum is 36.

The square root of 1125575712 is about 33549.6007725874. The cubic root of 1125575712 is about 1040.2192930074.

The spelling of 1125575712 in words is "one billion, one hundred twenty-five million, five hundred seventy-five thousand, seven hundred twelve".