1108920 has 32 divisors (see below), whose sum is σ = 3327120. Its totient is φ = 295680.

The previous prime is 1108909. The next prime is 1108957. The reversal of 1108920 is 298011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4501 + ... + 4740.

2^1108920 is an apocalyptic number.

1108920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1108920 is an abundant number, since it is smaller than the sum of its proper divisors (2218200).

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

1108920 is a wasteful number, since it uses less digits than its factorization.

1108920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9255 (or 9251 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1108920 is about 1053.0527052337. The cubic root of 1108920 is about 103.5062891462.

The spelling of 1108920 in words is "one million, one hundred eight thousand, nine hundred twenty".