972235171 has 8 divisors (see below), whose sum is σ = 983359440. Its totient is φ = 961133568.

The previous prime is 972235169. The next prime is 972235193. The reversal of 972235171 is 171532279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 972235171 - 2¹ = 972235169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 972235171.

It is not an unprimeable number, because it can be changed into a prime (972235471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89640 + ... + 99898.

It is an arithmetic number, because the mean of its divisors is an integer number (122919930).

Almost surely, 2^972235171 is an apocalyptic number.

972235171 is a deficient number, since it is larger than the sum of its proper divisors (11124269).

972235171 is a wasteful number, since it uses less digits than its factorization.

972235171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11333.

The product of its digits is 26460, while the sum is 37.

The square root of 972235171 is about 31180.6858648106. The cubic root of 972235171 is about 990.6580568614.

The spelling of 972235171 in words is "nine hundred seventy-two million, two hundred thirty-five thousand, one hundred seventy-one".