1161341 has 4 divisors (see below), whose sum is σ = 1169184. Its totient is φ = 1153500.

The previous prime is 1161331. The next prime is 1161343. The reversal of 1161341 is 1431611.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1431611 = 31 ⋅46181.

It is a cyclic number.

It is not a de Polignac number, because 1161341 - 2¹⁰ = 1160317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161343) 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, 3695 + ... + 3996.

It is an arithmetic number, because the mean of its divisors is an integer number (292296).

2^1161341 is an apocalyptic number.

It is an amenable number.

1161341 is a deficient number, since it is larger than the sum of its proper divisors (7843).

1161341 is an equidigital number, since it uses as much as digits as its factorization.

1161341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7842.

The product of its digits is 72, while the sum is 17.

The square root of 1161341 is about 1077.6553252316. The cubic root of 1161341 is about 105.1122307160.

Adding to 1161341 its reverse (1431611), we get a palindrome (2592952).

The spelling of 1161341 in words is "one million, one hundred sixty-one thousand, three hundred forty-one".