1116540 has 36 divisors (see below), whose sum is σ = 3387384. Its totient is φ = 297696.

The previous prime is 1116523. The next prime is 1116541. The reversal of 1116540 is 456111.

Added to its reverse (456111) it gives a triangular number (1572651 = T₁₇₇₃).

1116540 is a `hidden beast` number, since 1 + 11 + 654 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2922 + ... + 3281.

It is an arithmetic number, because the mean of its divisors is an integer number (94094).

2^1116540 is an apocalyptic number.

1116540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116540 is an abundant number, since it is smaller than the sum of its proper divisors (2270844).

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

1116540 is a wasteful number, since it uses less digits than its factorization.

1116540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218 (or 6213 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1116540 is about 1056.6645636152. The cubic root of 1116540 is about 103.7428310719.

Adding to 1116540 its reverse (456111), we get a triangular number (1572651 = T₁₇₇₃).

The spelling of 1116540 in words is "one million, one hundred sixteen thousand, five hundred forty".