2124157056 has 192 divisors, whose sum is σ = 6651216000. Its totient is φ = 598800384.

The previous prime is 2124157051. The next prime is 2124157093. The reversal of 2124157056 is 6507514212.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124157051) 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, 1485750 + ... + 1487178.

It is an arithmetic number, because the mean of its divisors is an integer number (34641750).

Almost surely, 2^2124157056 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 2124157056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3325608000).

2124157056 is an abundant number, since it is smaller than the sum of its proper divisors (4527058944).

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

2124157056 is a wasteful number, since it uses less digits than its factorization.

2124157056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 2124157056 is about 46088.5783681814. The cubic root of 2124157056 is about 1285.4707770510.

The spelling of 2124157056 in words is "two billion, one hundred twenty-four million, one hundred fifty-seven thousand, fifty-six".