210042104 has 16 divisors (see below), whose sum is σ = 395466720. Its totient is φ = 104584320.

The previous prime is 210042103. The next prime is 210042109. The reversal of 210042104 is 401240012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210042103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52544 + ... + 56399.

It is an arithmetic number, because the mean of its divisors is an integer number (24716670).

Almost surely, 2^210042104 is an apocalyptic number.

It is an amenable number.

210042104 is a deficient number, since it is larger than the sum of its proper divisors (185424616).

210042104 is a wasteful number, since it uses less digits than its factorization.

210042104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109190 (or 109186 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 210042104 is about 14492.8293993961. The cubic root of 210042104 is about 594.4319168900.

Adding to 210042104 its reverse (401240012), we get a palindrome (611282116).

The spelling of 210042104 in words is "two hundred ten million, forty-two thousand, one hundred four".