1100842 has 8 divisors (see below), whose sum is σ = 1660932. Its totient is φ = 547200.

The previous prime is 1100839. The next prime is 1100851. The reversal of 1100842 is 2480011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1100401 + 441 = 1049^2 + 21^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159 + ... + 1882.

2^1100842 is an apocalyptic number.

1100842 is a deficient number, since it is larger than the sum of its proper divisors (560090).

1100842 is a wasteful number, since it uses less digits than its factorization.

1100842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1100842 is about 1049.2101791348. The cubic root of 1100842 is about 103.2543436117.

Adding to 1100842 its reverse (2480011), we get a palindrome (3580853).

The spelling of 1100842 in words is "one million, one hundred thousand, eight hundred forty-two".