1159141 has 4 divisors (see below), whose sum is σ = 1162252. Its totient is φ = 1156032.

The previous prime is 1159139. The next prime is 1159153. The reversal of 1159141 is 1419511.

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 65025 + 1094116 = 255^2 + 1046^2 .

It is a cyclic number.

It is not a de Polignac number, because 1159141 - 2¹ = 1159139 is a prime.

It is an Ulam number.

It is a Duffinian number.

1159141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906 + ... + 1771.

It is an arithmetic number, because the mean of its divisors is an integer number (290563).

2^1159141 is an apocalyptic number.

It is an amenable number.

1159141 is a deficient number, since it is larger than the sum of its proper divisors (3111).

1159141 is an equidigital number, since it uses as much as digits as its factorization.

1159141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110.

The product of its digits is 180, while the sum is 22.

The square root of 1159141 is about 1076.6341068348. The cubic root of 1159141 is about 105.0458152293.

The spelling of 1159141 in words is "one million, one hundred fifty-nine thousand, one hundred forty-one".