210002042 has 8 divisors (see below), whose sum is σ = 317089632. Its totient is φ = 104305500.

The previous prime is 210001951. The next prime is 210002069. The reversal of 210002042 is 240200012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 347384 + ... + 347987.

It is an arithmetic number, because the mean of its divisors is an integer number (39636204).

Almost surely, 2^210002042 is an apocalyptic number.

210002042 is a deficient number, since it is larger than the sum of its proper divisors (107087590).

210002042 is a wasteful number, since it uses less digits than its factorization.

210002042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695524.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 210002042 is about 14491.4472017118. The cubic root of 210002042 is about 594.3941218556.

Adding to 210002042 its reverse (240200012), we get a palindrome (450202054).

The spelling of 210002042 in words is "two hundred ten million, two thousand, forty-two".