2124513522 has 48 divisors (see below), whose sum is σ = 4785449760. Its totient is φ = 706413312.

The previous prime is 2124513499. The next prime is 2124513527. The reversal of 2124513522 is 2253154212.

2124513522 is a `hidden beast` number, since 2 + 124 + 5 + 13 + 522 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2124513527) 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, 198418 + ... + 208850.

It is an arithmetic number, because the mean of its divisors is an integer number (99696870).

Almost surely, 2^2124513522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2124513522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2392724880).

2124513522 is an abundant number, since it is smaller than the sum of its proper divisors (2660936238).

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

2124513522 is a wasteful number, since it uses less digits than its factorization.

2124513522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10869 (or 10857 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2124513522 is about 46092.4453896731. The cubic root of 2124513522 is about 1285.5426802395.

Adding to 2124513522 its reverse (2253154212), we get a palindrome (4377667734).

The spelling of 2124513522 in words is "two billion, one hundred twenty-four million, five hundred thirteen thousand, five hundred twenty-two".