210104042 has 16 divisors (see below), whose sum is σ = 319636800. Its totient is φ = 103564032.

The previous prime is 210104029. The next prime is 210104047. The reversal of 210104042 is 240401012.

It is not an unprimeable number, because it can be changed into a prime (210104047) 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, 98378 + ... + 100490.

It is an arithmetic number, because the mean of its divisors is an integer number (19977300).

Almost surely, 2^210104042 is an apocalyptic number.

210104042 is a deficient number, since it is larger than the sum of its proper divisors (109532758).

210104042 is a wasteful number, since it uses less digits than its factorization.

210104042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797.

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

The square root of 210104042 is about 14494.9660917161. The cubic root of 210104042 is about 594.4903405821.

Adding to 210104042 its reverse (240401012), we get a palindrome (450505054).

It can be divided in two parts, 21010 and 4042, that added together give a palindrome (25052).

The spelling of 210104042 in words is "two hundred ten million, one hundred four thousand, forty-two".