1125188 has 6 divisors (see below), whose sum is σ = 1969086. Its totient is φ = 562592.

The previous prime is 1125169. The next prime is 1125193. The reversal of 1125188 is 8815211.

It can be written as a sum of positive squares in only one way, i.e., 692224 + 432964 = 832^2 + 658^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140645 + ... + 140652.

It is an arithmetic number, because the mean of its divisors is an integer number (328181).

2^1125188 is an apocalyptic number.

It is an amenable number.

1125188 is a deficient number, since it is larger than the sum of its proper divisors (843898).

1125188 is a wasteful number, since it uses less digits than its factorization.

1125188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281301 (or 281299 counting only the distinct ones).

The product of its digits is 640, while the sum is 26.

The square root of 1125188 is about 1060.7487921275. The cubic root of 1125188 is about 104.0099842486.

The spelling of 1125188 in words is "one million, one hundred twenty-five thousand, one hundred eighty-eight".