206124102 has 40 divisors (see below), whose sum is σ = 470604816. Its totient is φ = 67408848.

The previous prime is 206124101. The next prime is 206124119. The reversal of 206124102 is 201421602.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206124101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3418 + ... + 20589.

Almost surely, 2^206124102 is an apocalyptic number.

206124102 is an abundant number, since it is smaller than the sum of its proper divisors (264480714).

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

206124102 is a wasteful number, since it uses less digits than its factorization.

206124102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24074 (or 24065 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 206124102 is about 14357.0227415018. The cubic root of 206124102 is about 590.7126331043.

Adding to 206124102 its reverse (201421602), we get a palindrome (407545704).

The spelling of 206124102 in words is "two hundred six million, one hundred twenty-four thousand, one hundred two".