971147 has 8 divisors (see below), whose sum is σ = 1036800. Its totient is φ = 906984.

The previous prime is 971143. The next prime is 971149. The reversal of 971147 is 741179.

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

It is not a de Polignac number, because 971147 - 2² = 971143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178 + ... + 1824.

It is an arithmetic number, because the mean of its divisors is an integer number (129600).

2⁹⁷¹¹⁴⁷ is an apocalyptic number.

971147 is a deficient number, since it is larger than the sum of its proper divisors (65653).

971147 is a wasteful number, since it uses less digits than its factorization.

971147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its digits is 1764, while the sum is 29.

The square root of 971147 is about 985.4679091680. The cubic root of 971147 is about 99.0288321968.

The spelling of 971147 in words is "nine hundred seventy-one thousand, one hundred forty-seven".