2120104 has 48 divisors (see below), whose sum is σ = 4862880. Its totient is φ = 848640.

The previous prime is 2120101. The next prime is 2120113. The reversal of 2120104 is 4010212.

It is not an unprimeable number, because it can be changed into a prime (2120101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16119 + ... + 16249.

It is an arithmetic number, because the mean of its divisors is an integer number (101310).

2^2120104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2431440).

2120104 is an abundant number, since it is smaller than the sum of its proper divisors (2742776).

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

2120104 is a wasteful number, since it uses less digits than its factorization.

2120104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 157 counting only the distinct ones).

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

The square root of 2120104 is about 1456.0576911647. The cubic root of 2120104 is about 128.4652663924.

Adding to 2120104 its reverse (4010212), we get a palindrome (6130316).

The spelling of 2120104 in words is "two million, one hundred twenty thousand, one hundred four".