2104120 has 32 divisors (see below), whose sum is σ = 4853520. Its totient is φ = 820480.

The previous prime is 2104111. The next prime is 2104129. The reversal of 2104120 is 214012.

It is an interprime number because it is at equal distance from previous prime (2104111) and next prime (2104129).

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 = 2104097 and 2104106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999 + ... + 2281.

2^2104120 is an apocalyptic number.

2104120 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 2104120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2426760).

2104120 is an abundant number, since it is smaller than the sum of its proper divisors (2749400).

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

2104120 is a wasteful number, since it uses less digits than its factorization.

2104120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2104120 is about 1450.5585131252. The cubic root of 2104120 is about 128.1416076033.

Adding to 2104120 its reverse (214012), we get a palindrome (2318132).

The spelling of 2104120 in words is "two million, one hundred four thousand, one hundred twenty".