1125444 has 12 divisors (see below), whose sum is σ = 2626064. Its totient is φ = 375144.

The previous prime is 1125433. The next prime is 1125469. The reversal of 1125444 is 4445211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1125444.

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 3 ways as a sum of consecutive naturals, for example, 46882 + ... + 46905.

2^1125444 is an apocalyptic number.

It is an amenable number.

1125444 is an abundant number, since it is smaller than the sum of its proper divisors (1500620).

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

1125444 is a wasteful number, since it uses less digits than its factorization.

1125444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93794 (or 93792 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 1125444 is about 1060.8694547398. The cubic root of 1125444 is about 104.0178716822.

It can be divided in two parts, 1125 and 444, that multiplied together give a triangular number (499500 = T₉₉₉).

The spelling of 1125444 in words is "one million, one hundred twenty-five thousand, four hundred forty-four".