32142171 has 4 divisors (see below), whose sum is σ = 42856232. Its totient is φ = 21428112.

The previous prime is 32142169. The next prime is 32142191. The reversal of 32142171 is 17124123.

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

It is not a de Polignac number, because 32142171 - 2¹ = 32142169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32142151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5357026 + ... + 5357031.

It is an arithmetic number, because the mean of its divisors is an integer number (10714058).

Almost surely, 2^32142171 is an apocalyptic number.

32142171 is a deficient number, since it is larger than the sum of its proper divisors (10714061).

32142171 is a wasteful number, since it uses less digits than its factorization.

32142171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10714060.

The product of its digits is 336, while the sum is 21.

The square root of 32142171 is about 5669.4065827033. The cubic root of 32142171 is about 317.9496874636.

Adding to 32142171 its reverse (17124123), we get a palindrome (49266294).

The spelling of 32142171 in words is "thirty-two million, one hundred forty-two thousand, one hundred seventy-one".