210144122 has 8 divisors (see below), whose sum is σ = 315292500. Its totient is φ = 105046624.

The previous prime is 210144079. The next prime is 210144211. The reversal of 210144122 is 221441012.

210144122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 209641441 + 502681 = 14479^2 + 709^2 .

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

It is a super-2 number, since 2×210144122² = 88321104022301768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210144122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254 + ... + 20502.

Almost surely, 2^210144122 is an apocalyptic number.

210144122 is a deficient number, since it is larger than the sum of its proper divisors (105148378).

210144122 is a wasteful number, since it uses less digits than its factorization.

210144122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25440.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 210144122 is about 14496.3485747274. The cubic root of 210144122 is about 594.5281403593.

Adding to 210144122 its reverse (221441012), we get a palindrome (431585134).

The spelling of 210144122 in words is "two hundred ten million, one hundred forty-four thousand, one hundred twenty-two".