210120253 has 8 divisors (see below), whose sum is σ = 240774080. Its totient is φ = 179625600.

The previous prime is 210120233. The next prime is 210120257. The reversal of 210120253 is 352021012.

210120253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-210120253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120257) 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, 36948 + ... + 42253.

It is an arithmetic number, because the mean of its divisors is an integer number (30096760).

Almost surely, 2^210120253 is an apocalyptic number.

It is an amenable number.

210120253 is a deficient number, since it is larger than the sum of its proper divisors (30653827).

210120253 is an equidigital number, since it uses as much as digits as its factorization.

210120253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79587.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 210120253 is about 14495.5252750633. The cubic root of 210120253 is about 594.5056298883.

Adding to 210120253 its reverse (352021012), we get a palindrome (562141265).

The spelling of 210120253 in words is "two hundred ten million, one hundred twenty thousand, two hundred fifty-three".