2124530 has 8 divisors (see below), whose sum is σ = 3824172. Its totient is φ = 849808.

The previous prime is 2124517. The next prime is 2124553. The reversal of 2124530 is 354212.

It can be written as a sum of positive squares in 2 ways, for example, as 2122849 + 1681 = 1457^2 + 41^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2124499 and 2124508.

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, 106217 + ... + 106236.

2^2124530 is an apocalyptic number.

2124530 is a deficient number, since it is larger than the sum of its proper divisors (1699642).

2124530 is a wasteful number, since it uses less digits than its factorization.

2124530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212460.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2124530 is about 1457.5767561264. The cubic root of 2124530 is about 128.5546003842.

Adding to 2124530 its reverse (354212), we get a palindrome (2478742).

The spelling of 2124530 in words is "two million, one hundred twenty-four thousand, five hundred thirty".