2124545530 has 32 divisors (see below), whose sum is σ = 3864236544. Its totient is φ = 840964416.

The previous prime is 2124545497. The next prime is 2124545543. The reversal of 2124545530 is 355454212.

It is a junction number, because it is equal to n+sod(n) for n = 2124545492 and 2124545501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383037 + ... + 388543.

It is an arithmetic number, because the mean of its divisors is an integer number (120757392).

Almost surely, 2^2124545530 is an apocalyptic number.

2124545530 is a deficient number, since it is larger than the sum of its proper divisors (1739691014).

2124545530 is a wasteful number, since it uses less digits than its factorization.

2124545530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5910.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2124545530 is about 46092.7926036165. The cubic root of 2124545530 is about 1285.5491362184.

Adding to 2124545530 its reverse (355454212), we get a palindrome (2479999742).

The spelling of 2124545530 in words is "two billion, one hundred twenty-four million, five hundred forty-five thousand, five hundred thirty".