210124130 has 8 divisors (see below), whose sum is σ = 378223452. Its totient is φ = 84049648.

The previous prime is 210124129. The next prime is 210124133. The reversal of 210124130 is 31421012.

It can be written as a sum of positive squares in 2 ways, for example, as 192626641 + 17497489 = 13879^2 + 4183^2 .

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

It is not an unprimeable number, because it can be changed into a prime (210124133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10506197 + ... + 10506216.

Almost surely, 2^210124130 is an apocalyptic number.

210124130 is a deficient number, since it is larger than the sum of its proper divisors (168099322).

210124130 is a wasteful number, since it uses less digits than its factorization.

210124130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21012420.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 210124130 is about 14495.6590053712. The cubic root of 210124130 is about 594.5092863407.

Adding to 210124130 its reverse (31421012), we get a palindrome (241545142).

The spelling of 210124130 in words is "two hundred ten million, one hundred twenty-four thousand, one hundred thirty".