204111124 has 24 divisors (see below), whose sum is σ = 414917888. Its totient is φ = 86041440.

The previous prime is 204111121. The next prime is 204111137. The reversal of 204111124 is 421111402.

It is a happy number.

204111124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204111124² = 83322701881086752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204111098 and 204111107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58044 + ... + 61459.

Almost surely, 2^204111124 is an apocalyptic number.

It is an amenable number.

204111124 is an abundant number, since it is smaller than the sum of its proper divisors (210806764).

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

204111124 is a wasteful number, since it uses less digits than its factorization.

204111124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119575 (or 119573 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 204111124 is about 14286.7464455698. The cubic root of 204111124 is about 588.7834013232.

Adding to 204111124 its reverse (421111402), we get a palindrome (625222526).

The spelling of 204111124 in words is "two hundred four million, one hundred eleven thousand, one hundred twenty-four".