2127872128 has 16 divisors (see below), whose sum is σ = 4239120510. Its totient is φ = 1063936000.

The previous prime is 2127872113. The next prime is 2127872137. The reversal of 2127872128 is 8212787212.

It can be written as a sum of positive squares in only one way, i.e., 1592967744 + 534904384 = 39912^2 + 23128^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8311873 + ... + 8312128.

Almost surely, 2^2127872128 is an apocalyptic number.

It is an amenable number.

2127872128 is a deficient number, since it is larger than the sum of its proper divisors (2111248382).

2127872128 is an equidigital number, since it uses as much as digits as its factorization.

2127872128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16624015 (or 16624003 counting only the distinct ones).

The product of its digits is 50176, while the sum is 40.

The square root of 2127872128 is about 46128.8643692862. The cubic root of 2127872128 is about 1286.2197541654.

The spelling of 2127872128 in words is "two billion, one hundred twenty-seven million, eight hundred seventy-two thousand, one hundred twenty-eight".