1116445 has 16 divisors (see below), whose sum is σ = 1492992. Its totient is φ = 794560.

The previous prime is 1116439. The next prime is 1116449. The reversal of 1116445 is 5446111.

It is not a de Polignac number, because 1116445 - 2⁷ = 1116317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2724 + ... + 3106.

It is an arithmetic number, because the mean of its divisors is an integer number (93312).

2^1116445 is an apocalyptic number.

It is an amenable number.

1116445 is a deficient number, since it is larger than the sum of its proper divisors (376547).

1116445 is a wasteful number, since it uses less digits than its factorization.

1116445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452.

The product of its digits is 480, while the sum is 22.

The square root of 1116445 is about 1056.6196098881. The cubic root of 1116445 is about 103.7398886938.

It can be divided in two parts, 111 and 6445, that added together give a palindrome (6556).

The spelling of 1116445 in words is "one million, one hundred sixteen thousand, four hundred forty-five".