210144125 has 16 divisors (see below), whose sum is σ = 262898688. Its totient is φ = 167706000.

The previous prime is 210144079. The next prime is 210144211. The reversal of 210144125 is 521441012.

It is a happy number.

It is not a de Polignac number, because 210144125 - 2²⁴ = 193366909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210144097 and 210144106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56060 + ... + 59690.

It is an arithmetic number, because the mean of its divisors is an integer number (16431168).

Almost surely, 2^210144125 is an apocalyptic number.

210144125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

210144125 is a deficient number, since it is larger than the sum of its proper divisors (52754563).

210144125 is an equidigital number, since it uses as much as digits as its factorization.

210144125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109 (or 4099 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 210144125 is about 14496.3486782017. The cubic root of 210144125 is about 594.5281431884.

Adding to 210144125 its reverse (521441012), we get a palindrome (731585137).

The spelling of 210144125 in words is "two hundred ten million, one hundred forty-four thousand, one hundred twenty-five".