1115544 has 32 divisors (see below), whose sum is σ = 2844720. Its totient is φ = 364416.

The previous prime is 1115539. The next prime is 1115551. The reversal of 1115544 is 4455111.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1115544.

It is a congruent number.

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, 834 + ... + 1710.

2^1115544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422360).

1115544 is an abundant number, since it is smaller than the sum of its proper divisors (1729176).

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

1115544 is a wasteful number, since it uses less digits than its factorization.

1115544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 935 counting only the distinct ones).

The product of its digits is 400, while the sum is 21.

The square root of 1115544 is about 1056.1931641513. The cubic root of 1115544 is about 103.7119742585.

The spelling of 1115544 in words is "one million, one hundred fifteen thousand, five hundred forty-four".