210102130 has 16 divisors (see below), whose sum is σ = 432210240. Its totient is φ = 72034992.

The previous prime is 210102121. The next prime is 210102149. The reversal of 210102130 is 31201012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500660 + ... + 1500799.

It is an arithmetic number, because the mean of its divisors is an integer number (27013140).

Almost surely, 2^210102130 is an apocalyptic number.

210102130 is an abundant number, since it is smaller than the sum of its proper divisors (222108110).

210102130 is a wasteful number, since it uses less digits than its factorization.

210102130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001473.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 210102130 is about 14494.9001376346. The cubic root of 210102130 is about 594.4885372391.

Adding to 210102130 its reverse (31201012), we get a palindrome (241303142).

The spelling of 210102130 in words is "two hundred ten million, one hundred two thousand, one hundred thirty".