1169161 has 4 divisors (see below), whose sum is σ = 1336192. Its totient is φ = 1002132.

The previous prime is 1169149. The next prime is 1169171. The reversal of 1169161 is 1619611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1169161 - 2¹⁵ = 1136393 is a prime.

It is a Duffinian number.

1169161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1169131) 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, 83505 + ... + 83518.

It is an arithmetic number, because the mean of its divisors is an integer number (334048).

2^1169161 is an apocalyptic number.

It is an amenable number.

1169161 is a deficient number, since it is larger than the sum of its proper divisors (167031).

1169161 is an equidigital number, since it uses as much as digits as its factorization.

1169161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167030.

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

The square root of 1169161 is about 1081.2774851998. The cubic root of 1169161 is about 105.3476308727.

The spelling of 1169161 in words is "one million, one hundred sixty-nine thousand, one hundred sixty-one".