1116545 has 8 divisors (see below), whose sum is σ = 1353024. Its totient is φ = 884464.

The previous prime is 1116541. The next prime is 1116547. The reversal of 1116545 is 5456111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1116545 - 2² = 1116541 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1116545.

It is not an unprimeable number, because it can be changed into a prime (1116541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509 + ... + 1578.

It is an arithmetic number, because the mean of its divisors is an integer number (169128).

2^1116545 is an apocalyptic number.

It is an amenable number.

1116545 is a deficient number, since it is larger than the sum of its proper divisors (236479).

1116545 is a wasteful number, since it uses less digits than its factorization.

1116545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199.

The product of its digits is 600, while the sum is 23.

The square root of 1116545 is about 1056.6669295478. Note that the first 3 decimals coincide. The cubic root of 1116545 is about 103.7429859293.

It can be divided in two parts, 1116 and 545, that added together give a palindrome (1661).

The spelling of 1116545 in words is "one million, one hundred sixteen thousand, five hundred forty-five".