210402106 has 8 divisors (see below), whose sum is σ = 315931104. Its totient is φ = 105091740.

The previous prime is 210402079. The next prime is 210402109. The reversal of 210402106 is 601204012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 210402106.

It is not an unprimeable number, because it can be changed into a prime (210402109) 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, 52230 + ... + 56113.

It is an arithmetic number, because the mean of its divisors is an integer number (39491388).

Almost surely, 2^210402106 is an apocalyptic number.

210402106 is a deficient number, since it is larger than the sum of its proper divisors (105528998).

210402106 is a wasteful number, since it uses less digits than its factorization.

210402106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109316.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 210402106 is about 14505.2440861917. The cubic root of 210402106 is about 594.7713322281.

Adding to 210402106 its reverse (601204012), we get a palindrome (811606118).

The spelling of 210402106 in words is "two hundred ten million, four hundred two thousand, one hundred six".