1105120 has 24 divisors (see below), whose sum is σ = 2611224. Its totient is φ = 441984.

The previous prime is 1105109. The next prime is 1105141. The reversal of 1105120 is 215011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1105097 and 1105106.

It is a congruent number.

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, 3294 + ... + 3613.

It is an arithmetic number, because the mean of its divisors is an integer number (108801).

2^1105120 is an apocalyptic number.

1105120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105120 is an abundant number, since it is smaller than the sum of its proper divisors (1506104).

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

1105120 is an equidigital number, since it uses as much as digits as its factorization.

1105120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6922 (or 6914 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1105120 is about 1051.2468787112. The cubic root of 1105120 is about 103.3879235198.

It can be divided in two parts, 1105 and 120, that added together give a triangular number (1225 = T₄₉).

The spelling of 1105120 in words is "one million, one hundred five thousand, one hundred twenty".