200000124 has 48 divisors (see below), whose sum is σ = 536407200. Its totient is φ = 64366848.

The previous prime is 200000123. The next prime is 200000131. The reversal of 200000124 is 421000002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200000123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28797 + ... + 35060.

It is an arithmetic number, because the mean of its divisors is an integer number (11175150).

Almost surely, 2^200000124 is an apocalyptic number.

It is an amenable number.

200000124 is an abundant number, since it is smaller than the sum of its proper divisors (336407076).

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

200000124 is a wasteful number, since it uses less digits than its factorization.

200000124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63899 (or 63891 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 200000124 is about 14142.1400077923. The cubic root of 200000124 is about 584.8036685019.

Adding to 200000124 its reverse (421000002), we get a palindrome (621000126).

The spelling of 200000124 in words is "two hundred million, one hundred twenty-four", and thus it is an aban number.