1171297 has 4 divisors (see below), whose sum is σ = 1182996. Its totient is φ = 1159600.

The previous prime is 1171267. The next prime is 1171301. The reversal of 1171297 is 7921711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1083681 + 87616 = 1041^2 + 296^2 .

It is a cyclic number.

It is not a de Polignac number, because 1171297 - 2¹¹ = 1169249 is a prime.

It is a Duffinian number.

1171297 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1171207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5698 + ... + 5899.

It is an arithmetic number, because the mean of its divisors is an integer number (295749).

2^1171297 is an apocalyptic number.

It is an amenable number.

1171297 is a deficient number, since it is larger than the sum of its proper divisors (11699).

1171297 is a wasteful number, since it uses less digits than its factorization.

1171297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11698.

The product of its digits is 882, while the sum is 28.

The square root of 1171297 is about 1082.2647550392. The cubic root of 1171297 is about 105.4117468337.

The spelling of 1171297 in words is "one million, one hundred seventy-one thousand, two hundred ninety-seven".