1128341 has 4 divisors (see below), whose sum is σ = 1194732. Its totient is φ = 1061952.

The previous prime is 1128313. The next prime is 1128349. The reversal of 1128341 is 1438211.

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 1020100 + 108241 = 1010^2 + 329^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128341 - 2¹⁸ = 866197 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 (1128349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33170 + ... + 33203.

It is an arithmetic number, because the mean of its divisors is an integer number (298683).

2^1128341 is an apocalyptic number.

It is an amenable number.

1128341 is a deficient number, since it is larger than the sum of its proper divisors (66391).

1128341 is an equidigital number, since it uses as much as digits as its factorization.

1128341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66390.

The product of its digits is 192, while the sum is 20.

The square root of 1128341 is about 1062.2339666947. The cubic root of 1128341 is about 104.1070458464.

The spelling of 1128341 in words is "one million, one hundred twenty-eight thousand, three hundred forty-one".