1125556 has 12 divisors (see below), whose sum is σ = 2011968. Its totient is φ = 550712.

The previous prime is 1125539. The next prime is 1125557. The reversal of 1125556 is 6555211.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1125556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2806 + ... + 3181.

It is an arithmetic number, because the mean of its divisors is an integer number (167664).

2^1125556 is an apocalyptic number.

It is an amenable number.

1125556 is a deficient number, since it is larger than the sum of its proper divisors (886412).

1125556 is a wasteful number, since it uses less digits than its factorization.

1125556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6038 (or 6036 counting only the distinct ones).

The product of its digits is 1500, while the sum is 25.

The square root of 1125556 is about 1060.9222403174. The cubic root of 1125556 is about 104.0213220582.

It can be divided in two parts, 11255 and 56, that added together give a palindrome (11311).

The spelling of 1125556 in words is "one million, one hundred twenty-five thousand, five hundred fifty-six".