2126032171 has 4 divisors (see below), whose sum is σ = 2141550792. Its totient is φ = 2110513552.

The previous prime is 2126032159. The next prime is 2126032193. The reversal of 2126032171 is 1712306212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2126032171 - 2⁷ = 2126032043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2126032771) by changing a digit.

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, 7759105 + ... + 7759378.

It is an arithmetic number, because the mean of its divisors is an integer number (535387698).

Almost surely, 2^2126032171 is an apocalyptic number.

2126032171 is a deficient number, since it is larger than the sum of its proper divisors (15518621).

2126032171 is a wasteful number, since it uses less digits than its factorization.

2126032171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15518620.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2126032171 is about 46108.9163936868. The cubic root of 2126032171 is about 1285.8489186781.

Adding to 2126032171 its reverse (1712306212), we get a palindrome (3838338383).

The spelling of 2126032171 in words is "two billion, one hundred twenty-six million, thirty-two thousand, one hundred seventy-one".