1111854 has 8 divisors (see below), whose sum is σ = 2223720. Its totient is φ = 370616.

The previous prime is 1111853. The next prime is 1111867. The reversal of 1111854 is 4581111.

It is a happy number.

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

1111854 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92649 + ... + 92660.

It is an arithmetic number, because the mean of its divisors is an integer number (277965).

2^1111854 is an apocalyptic number.

1111854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1111854 is a wasteful number, since it uses less digits than its factorization.

1111854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185314.

The product of its digits is 160, while the sum is 21.

The square root of 1111854 is about 1054.4448776489. Note that the first 3 decimals coincide. The cubic root of 1111854 is about 103.5974950076.

Adding to 1111854 its reverse (4581111), we get a palindrome (5692965).

The spelling of 1111854 in words is "one million, one hundred eleven thousand, eight hundred fifty-four".