979171 has 2 divisors, whose sum is σ = 979172. Its totient is φ = 979170.

The previous prime is 979163. The next prime is 979177. The reversal of 979171 is 171979.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 979171 - 2³ = 979163 is a prime.

979171 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (979177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489585 + 489586.

It is an arithmetic number, because the mean of its divisors is an integer number (489586).

2⁹⁷⁹¹⁷¹ is an apocalyptic number.

979171 is a deficient number, since it is larger than the sum of its proper divisors (1).

979171 is an equidigital number, since it uses as much as digits as its factorization.

979171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3969, while the sum is 34.

The square root of 979171 is about 989.5306968457. The cubic root of 979171 is about 99.3008229070.

The spelling of 979171 in words is "nine hundred seventy-nine thousand, one hundred seventy-one".