200042124 has 12 divisors (see below), whose sum is σ = 466764984. Its totient is φ = 66680704.

The previous prime is 200042113. The next prime is 200042147. The reversal of 200042124 is 421240002.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8335077 + ... + 8335100.

It is an arithmetic number, because the mean of its divisors is an integer number (38897082).

Almost surely, 2^200042124 is an apocalyptic number.

It is an amenable number.

200042124 is an abundant number, since it is smaller than the sum of its proper divisors (266722860).

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

200042124 is a wasteful number, since it uses less digits than its factorization.

200042124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16670184 (or 16670182 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 200042124 is about 14143.6248536222. The cubic root of 200042124 is about 584.8446018682.

Adding to 200042124 its reverse (421240002), we get a palindrome (621282126).

The spelling of 200042124 in words is "two hundred million, forty-two thousand, one hundred twenty-four".