2091120 has 40 divisors (see below), whose sum is σ = 6483216. Its totient is φ = 557568.

The previous prime is 2091097. The next prime is 2091139. The reversal of 2091120 is 211902.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2091120.

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, 4117 + ... + 4596.

2^2091120 is an apocalyptic number.

2091120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2091120 is an abundant number, since it is smaller than the sum of its proper divisors (4392096).

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

2091120 is a wasteful number, since it uses less digits than its factorization.

2091120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8729 (or 8723 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2091120 is about 1446.0705376986. The cubic root of 2091120 is about 127.8771607971.

It can be divided in two parts, 2091 and 120, that added together give a triangular number (2211 = T₆₆).

The spelling of 2091120 in words is "two million, ninety-one thousand, one hundred twenty".