2124541215 has 24 divisors (see below), whose sum is σ = 3692183040. Its totient is φ = 1130121024.

The previous prime is 2124541213. The next prime is 2124541219. The reversal of 2124541215 is 5121454212.

It is a happy number.

2124541215 is a `hidden beast` number, since 2 + 1 + 245 + 412 + 1 + 5 = 666.

It is not a de Polignac number, because 2124541215 - 2¹ = 2124541213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124541213) 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, 44400 + ... + 78869.

It is an arithmetic number, because the mean of its divisors is an integer number (153840960).

Almost surely, 2^2124541215 is an apocalyptic number.

2124541215 is a deficient number, since it is larger than the sum of its proper divisors (1567641825).

2124541215 is a wasteful number, since it uses less digits than its factorization.

2124541215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123663 (or 123660 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2124541215 is about 46092.7457958408. The cubic root of 2124541215 is about 1285.5482658914.

Adding to 2124541215 its reverse (5121454212), we get a palindrome (7245995427).

The spelling of 2124541215 in words is "two billion, one hundred twenty-four million, five hundred forty-one thousand, two hundred fifteen".