1135841 has 4 divisors (see below), whose sum is σ = 1298112. Its totient is φ = 973572.

The previous prime is 1135837. The next prime is 1135847. The reversal of 1135841 is 1485311.

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: 1485311 = 673 ⋅2207.

It is a cyclic number.

It is not a de Polignac number, because 1135841 - 2² = 1135837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1135847) 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, 81125 + ... + 81138.

It is an arithmetic number, because the mean of its divisors is an integer number (324528).

2^1135841 is an apocalyptic number.

It is an amenable number.

1135841 is a deficient number, since it is larger than the sum of its proper divisors (162271).

1135841 is an equidigital number, since it uses as much as digits as its factorization.

1135841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162270.

The product of its digits is 480, while the sum is 23.

The square root of 1135841 is about 1065.7584154019. The cubic root of 1135841 is about 104.3372006265.

The spelling of 1135841 in words is "one million, one hundred thirty-five thousand, eight hundred forty-one".