210124005 has 48 divisors (see below), whose sum is σ = 421190784. Its totient is φ = 88663680.

The previous prime is 210123973. The next prime is 210124027. The reversal of 210124005 is 500421012.

210124005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210124005 - 2⁵ = 210123973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1441 + ... + 20550.

It is an arithmetic number, because the mean of its divisors is an integer number (8774808).

Almost surely, 2^210124005 is an apocalyptic number.

It is an amenable number.

210124005 is an abundant number, since it is smaller than the sum of its proper divisors (211066779).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210124005 is a wasteful number, since it uses less digits than its factorization.

210124005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22026 (or 22019 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 210124005 is about 14495.6546937349. The cubic root of 210124005 is about 594.5091684522.

Adding to 210124005 its reverse (500421012), we get a palindrome (710545017).

It can be divided in two parts, 2101 and 24005, that added together give a triangular number (26106 = T₂₂₈).

The spelling of 210124005 in words is "two hundred ten million, one hundred twenty-four thousand, five".