2132125905 has 64 divisors (see below), whose sum is σ = 4334174208. Its totient is φ = 870670080.

The previous prime is 2132125867. The next prime is 2132125913. The reversal of 2132125905 is 5095212312.

It is not a de Polignac number, because 2132125905 - 2⁶ = 2132125841 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17122 + ... + 67508.

It is an arithmetic number, because the mean of its divisors is an integer number (67721472).

Almost surely, 2^2132125905 is an apocalyptic number.

It is an amenable number.

2132125905 is an abundant number, since it is smaller than the sum of its proper divisors (2202048303).

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

2132125905 is a wasteful number, since it uses less digits than its factorization.

2132125905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50446.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 2132125905 is about 46174.9488900638. The cubic root of 2132125905 is about 1287.0762671324.

The spelling of 2132125905 in words is "two billion, one hundred thirty-two million, one hundred twenty-five thousand, nine hundred five".