971158 has 8 divisors (see below), whose sum is σ = 1460952. Its totient is φ = 484176.

The previous prime is 971153. The next prime is 971171. The reversal of 971158 is 851179.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971153) 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 3 ways as a sum of consecutive naturals, for example, 841 + ... + 1627.

It is an arithmetic number, because the mean of its divisors is an integer number (182619).

2⁹⁷¹¹⁵⁸ is an apocalyptic number.

971158 is a deficient number, since it is larger than the sum of its proper divisors (489794).

971158 is a wasteful number, since it uses less digits than its factorization.

971158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406.

The product of its digits is 2520, while the sum is 31.

The square root of 971158 is about 985.4734902573. The cubic root of 971158 is about 99.0292060890.

The spelling of 971158 in words is "nine hundred seventy-one thousand, one hundred fifty-eight".