2126905120 has 24 divisors (see below), whose sum is σ = 5024813724. Its totient is φ = 850761984.

The previous prime is 2126905073. The next prime is 2126905141. The reversal of 2126905120 is 215096212.

It can be written as a sum of positive squares in 2 ways, for example, as 1844530704 + 282374416 = 42948^2 + 16804^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6646419 + ... + 6646738.

Almost surely, 2^2126905120 is an apocalyptic number.

2126905120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2126905120 is an abundant number, since it is smaller than the sum of its proper divisors (2897908604).

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

2126905120 is a wasteful number, since it uses less digits than its factorization.

2126905120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13293172 (or 13293164 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2126905120 is about 46118.3815847868. The cubic root of 2126905120 is about 1286.0248844902.

The spelling of 2126905120 in words is "two billion, one hundred twenty-six million, nine hundred five thousand, one hundred twenty".