2124122460 has 96 divisors (see below), whose sum is σ = 6330949632. Its totient is φ = 530273280.

The previous prime is 2124122459. The next prime is 2124122479. The reversal of 2124122460 is 642214212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2124122460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189369 + ... + 200271.

It is an arithmetic number, because the mean of its divisors is an integer number (65947392).

Almost surely, 2^2124122460 is an apocalyptic number.

2124122460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2124122460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3165474816).

2124122460 is an abundant number, since it is smaller than the sum of its proper divisors (4206827172).

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

2124122460 is a wasteful number, since it uses less digits than its factorization.

2124122460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11123 (or 11121 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2124122460 is about 46088.2030458988. The cubic root of 2124122460 is about 1285.4637982217.

Adding to 2124122460 its reverse (642214212), we get a palindrome (2766336672).

The spelling of 2124122460 in words is "two billion, one hundred twenty-four million, one hundred twenty-two thousand, four hundred sixty".