1125636 has 24 divisors (see below), whose sum is σ = 2765280. Its totient is φ = 355392.

The previous prime is 1125629. The next prime is 1125647. The reversal of 1125636 is 6365211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2241 + ... + 2696.

It is an arithmetic number, because the mean of its divisors is an integer number (115220).

2^1125636 is an apocalyptic number.

It is an amenable number.

1125636 is an abundant number, since it is smaller than the sum of its proper divisors (1639644).

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

1125636 is a wasteful number, since it uses less digits than its factorization.

1125636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963 (or 4961 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 1125636 is about 1060.9599426934. The cubic root of 1125636 is about 104.0237864725.

The spelling of 1125636 in words is "one million, one hundred twenty-five thousand, six hundred thirty-six".