1161169 has 2 divisors, whose sum is σ = 1161170. Its totient is φ = 1161168.

The previous prime is 1161163. The next prime is 1161203. The reversal of 1161169 is 9611611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620944 + 540225 = 788^2 + 735^2 .

It is an emirp because it is prime and its reverse (9611611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1161169 - 2⁵ = 1161137 is a prime.

It is a super-2 number, since 2×1161169² = 2696626893122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1161163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580584 + 580585.

It is an arithmetic number, because the mean of its divisors is an integer number (580585).

2^1161169 is an apocalyptic number.

It is an amenable number.

1161169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161169 is an equidigital number, since it uses as much as digits as its factorization.

1161169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 25.

The square root of 1161169 is about 1077.5755193953. The cubic root of 1161169 is about 105.1070412564.

The spelling of 1161169 in words is "one million, one hundred sixty-one thousand, one hundred sixty-nine".