200001042 has 16 divisors (see below), whose sum is σ = 444446880. Its totient is φ = 66666996.

The previous prime is 200001019. The next prime is 200001047. The reversal of 200001042 is 240100002.

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

It is not an unprimeable number, because it can be changed into a prime (200001047) 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, 1851808 + ... + 1851915.

It is an arithmetic number, because the mean of its divisors is an integer number (27777930).

Almost surely, 2^200001042 is an apocalyptic number.

200001042 is an abundant number, since it is smaller than the sum of its proper divisors (244445838).

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

200001042 is a wasteful number, since it uses less digits than its factorization.

200001042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703734 (or 3703728 counting only the distinct ones).

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

The square root of 200001042 is about 14142.1724639463. The cubic root of 200001042 is about 584.8045632496.

Adding to 200001042 its reverse (240100002), we get a palindrome (440101044).

The spelling of 200001042 in words is "two hundred million, one thousand, forty-two".