1116920 has 32 divisors (see below), whose sum is σ = 2872800. Its totient is φ = 382848.

The previous prime is 1116911. The next prime is 1116937. The reversal of 1116920 is 296111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1116892 and 1116901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715 + ... + 2274.

It is an arithmetic number, because the mean of its divisors is an integer number (89775).

2^1116920 is an apocalyptic number.

1116920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116920 is an abundant number, since it is smaller than the sum of its proper divisors (1755880).

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

1116920 is a wasteful number, since it uses less digits than its factorization.

1116920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007 (or 4003 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1116920 is about 1056.8443594021. The cubic root of 1116920 is about 103.7545989155.

The spelling of 1116920 in words is "one million, one hundred sixteen thousand, nine hundred twenty".