2124543132 has 72 divisors (see below), whose sum is σ = 5565399840. Its totient is φ = 682550400.

The previous prime is 2124543131. The next prime is 2124543139. The reversal of 2124543132 is 2313454212.

It is a junction number, because it is equal to n+sod(n) for n = 2124543096 and 2124543105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124543131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 730393 + ... + 733295.

It is an arithmetic number, because the mean of its divisors is an integer number (77297220).

Almost surely, 2^2124543132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2124543132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2782699920).

2124543132 is an abundant number, since it is smaller than the sum of its proper divisors (3440856708).

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

2124543132 is a wasteful number, since it uses less digits than its factorization.

2124543132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643 (or 3638 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2124543132 is about 46092.7665908654. The cubic root of 2124543132 is about 1285.5486525467.

Adding to 2124543132 its reverse (2313454212), we get a palindrome (4437997344).

The spelling of 2124543132 in words is "two billion, one hundred twenty-four million, five hundred forty-three thousand, one hundred thirty-two".