2101204 has 24 divisors (see below), whose sum is σ = 4249728. Its totient is φ = 890400.

The previous prime is 2101199. The next prime is 2101207. The reversal of 2101204 is 4021012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101207) 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, 2457 + ... + 3199.

It is an arithmetic number, because the mean of its divisors is an integer number (177072).

2^2101204 is an apocalyptic number.

It is an amenable number.

2101204 is an abundant number, since it is smaller than the sum of its proper divisors (2148524).

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

2101204 is a wasteful number, since it uses less digits than its factorization.

2101204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 853 counting only the distinct ones).

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

The square root of 2101204 is about 1449.5530345593. The cubic root of 2101204 is about 128.0823851138.

Adding to 2101204 its reverse (4021012), we get a palindrome (6122216).

The spelling of 2101204 in words is "two million, one hundred one thousand, two hundred four".