1161317 has 2 divisors, whose sum is σ = 1161318. Its totient is φ = 1161316.

The previous prime is 1161313. The next prime is 1161331. The reversal of 1161317 is 7131611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1079521 + 81796 = 1039^2 + 286^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161317 - 2² = 1161313 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580658 + 580659.

It is an arithmetic number, because the mean of its divisors is an integer number (580659).

2^1161317 is an apocalyptic number.

It is an amenable number.

1161317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161317 is an equidigital number, since it uses as much as digits as its factorization.

1161317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126, while the sum is 20.

The square root of 1161317 is about 1077.6441898883. The cubic root of 1161317 is about 105.1115066361. Note that the first 3 decimals are identical.

Adding to 1161317 its reverse (7131611), we get a palindrome (8292928).

The spelling of 1161317 in words is "one million, one hundred sixty-one thousand, three hundred seventeen".