2125710720 has 192 divisors, whose sum is σ = 8389124640. Its totient is φ = 485867520.

The previous prime is 2125710707. The next prime is 2125710751. The reversal of 2125710720 is 270175212.

2125710720 is a `hidden beast` number, since 21 + 2 + 571 + 0 + 72 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13960 + ... + 66680.

Almost surely, 2^2125710720 is an apocalyptic number.

2125710720 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 2125710720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4194562320).

2125710720 is an abundant number, since it is smaller than the sum of its proper divisors (6263413920).

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

2125710720 is a wasteful number, since it uses less digits than its factorization.

2125710720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52753 (or 52738 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 2125710720 is about 46105.4304827533. The cubic root of 2125710720 is about 1285.7841096471.

Adding to 2125710720 its reverse (270175212), we get a palindrome (2395885932).

The spelling of 2125710720 in words is "two billion, one hundred twenty-five million, seven hundred ten thousand, seven hundred twenty".