971149 has 2 divisors, whose sum is σ = 971150. Its totient is φ = 971148.

The previous prime is 971143. The next prime is 971153. The reversal of 971149 is 941179.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515524 + 455625 = 718^2 + 675^2 .

It is an emirp because it is prime and its reverse (941179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 971149 - 2³ = 971141 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 971149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another 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 as a sum of consecutive naturals, namely, 485574 + 485575.

It is an arithmetic number, because the mean of its divisors is an integer number (485575).

2⁹⁷¹¹⁴⁹ is an apocalyptic number.

It is an amenable number.

971149 is a deficient number, since it is larger than the sum of its proper divisors (1).

971149 is an equidigital number, since it uses as much as digits as its factorization.

971149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 31.

The square root of 971149 is about 985.4689239139. The cubic root of 971149 is about 99.0289001774.

The spelling of 971149 in words is "nine hundred seventy-one thousand, one hundred forty-nine".