1109160 has 128 divisors (see below), whose sum is σ = 4032000. Its totient is φ = 269568.

The previous prime is 1109159. The next prime is 1109161. The reversal of 1109160 is 619011.

1109160 = T₂₇₉ + T₂₈₀ + ... + T₃₀₄.

It is an interprime number because it is at equal distance from previous prime (1109159) and next prime (1109161).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14001 + ... + 14079.

It is an arithmetic number, because the mean of its divisors is an integer number (31500).

2^1109160 is an apocalyptic number.

1109160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2016000).

1109160 is an abundant number, since it is smaller than the sum of its proper divisors (2922840).

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

1109160 is a wasteful number, since it uses less digits than its factorization.

1109160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 1109160 is about 1053.1666534789. The cubic root of 1109160 is about 103.5137557856.

The spelling of 1109160 in words is "one million, one hundred nine thousand, one hundred sixty".