206135124 has 24 divisors (see below), whose sum is σ = 517980960. Its totient is φ = 63426144.

The previous prime is 206135113. The next prime is 206135129. The reversal of 206135124 is 421531602.

206135124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 206135094 and 206135103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206135129) 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, 660534 + ... + 660845.

It is an arithmetic number, because the mean of its divisors is an integer number (21582540).

Almost surely, 2^206135124 is an apocalyptic number.

It is an amenable number.

206135124 is an abundant number, since it is smaller than the sum of its proper divisors (311845836).

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

206135124 is a wasteful number, since it uses less digits than its factorization.

206135124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321399 (or 1321397 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 206135124 is about 14357.4065903282. The cubic root of 206135124 is about 590.7231619047.

Adding to 206135124 its reverse (421531602), we get a palindrome (627666726).

The spelling of 206135124 in words is "two hundred six million, one hundred thirty-five thousand, one hundred twenty-four".