1116542 has 16 divisors (see below), whose sum is σ = 1929312. Its totient is φ = 474720.

The previous prime is 1116541. The next prime is 1116547. The reversal of 1116542 is 2456111.

It is an Ulam number.

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 7 ways as a sum of consecutive naturals, for example, 2192 + ... + 2652.

It is an arithmetic number, because the mean of its divisors is an integer number (120582).

2^1116542 is an apocalyptic number.

1116542 is a deficient number, since it is larger than the sum of its proper divisors (812770).

1116542 is a wasteful number, since it uses less digits than its factorization.

1116542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643.

The product of its digits is 240, while the sum is 20.

The square root of 1116542 is about 1056.6655099889. The cubic root of 1116542 is about 103.7428930149.

The spelling of 1116542 in words is "one million, one hundred sixteen thousand, five hundred forty-two".