1115444 has 24 divisors (see below), whose sum is σ = 2159136. Its totient is φ = 500000.

The previous prime is 1115419. The next prime is 1115447. The reversal of 1115444 is 4445111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115447) by changing a digit.

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, 4319 + ... + 4569.

It is an arithmetic number, because the mean of its divisors is an integer number (89964).

2^1115444 is an apocalyptic number.

It is an amenable number.

1115444 is a deficient number, since it is larger than the sum of its proper divisors (1043692).

1115444 is a wasteful number, since it uses less digits than its factorization.

1115444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 365 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 1115444 is about 1056.1458232650. The cubic root of 1115444 is about 103.7088751704.

It can be divided in two parts, 111 and 5444, that added together give a palindrome (5555).

The spelling of 1115444 in words is "one million, one hundred fifteen thousand, four hundred forty-four".