2125281288 has 32 divisors (see below), whose sum is σ = 5721912000. Its totient is φ = 653932608.

The previous prime is 2125281247. The next prime is 2125281293. The reversal of 2125281288 is 8821825212.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3405588 + ... + 3406211.

It is an arithmetic number, because the mean of its divisors is an integer number (178809750).

Almost surely, 2^2125281288 is an apocalyptic number.

It is an amenable number.

2125281288 is an abundant number, since it is smaller than the sum of its proper divisors (3596630712).

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

2125281288 is a wasteful number, since it uses less digits than its factorization.

2125281288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811821 (or 6811817 counting only the distinct ones).

The product of its digits is 40960, while the sum is 39.

The square root of 2125281288 is about 46100.7731822363. The cubic root of 2125281288 is about 1285.6975199366.

The spelling of 2125281288 in words is "two billion, one hundred twenty-five million, two hundred eighty-one thousand, two hundred eighty-eight".