971141188 has 12 divisors (see below), whose sum is σ = 1700534332. Its totient is φ = 485274240.

The previous prime is 971141179. The next prime is 971141189. The reversal of 971141188 is 881141179.

It can be written as a sum of positive squares in 2 ways, for example, as 104898564 + 866242624 = 10242^2 + 29432^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 971141188.

It is not an unprimeable number, because it can be changed into a prime (971141189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66633 + ... + 79888.

Almost surely, 2^971141188 is an apocalyptic number.

It is an amenable number.

971141188 is a deficient number, since it is larger than the sum of its proper divisors (729393144).

971141188 is a wasteful number, since it uses less digits than its factorization.

971141188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148182 (or 148180 counting only the distinct ones).

The product of its digits is 16128, while the sum is 40.

The square root of 971141188 is about 31163.1382886897. The cubic root of 971141188 is about 990.2863464454.

Subtracting from 971141188 its reverse (881141179), we obtain a palindrome (90000009).

The spelling of 971141188 in words is "nine hundred seventy-one million, one hundred forty-one thousand, one hundred eighty-eight".