2105120 has 48 divisors (see below), whose sum is σ = 5080320. Its totient is φ = 824064.

The previous prime is 2105119. The next prime is 2105141. The reversal of 2105120 is 215012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9329 + ... + 9551.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2^2105120 is an apocalyptic number.

2105120 is a gapful number since it is divisible by the number (20) 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 2105120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2540160).

2105120 is an abundant number, since it is smaller than the sum of its proper divisors (2975200).

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

2105120 is a wasteful number, since it uses less digits than its factorization.

2105120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2105120 is about 1450.9031669963. The cubic root of 2105120 is about 128.1619044991.

The spelling of 2105120 in words is "two million, one hundred five thousand, one hundred twenty".