1163345 has 4 divisors (see below), whose sum is σ = 1396020. Its totient is φ = 930672.

The previous prime is 1163339. The next prime is 1163353. The reversal of 1163345 is 5433611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5433611 = 499 ⋅10889.

It can be written as a sum of positive squares in 2 ways, for example, as 300304 + 863041 = 548^2 + 929^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163345 - 2⁴ = 1163329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1163345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116330 + ... + 116339.

It is an arithmetic number, because the mean of its divisors is an integer number (349005).

2^1163345 is an apocalyptic number.

It is an amenable number.

1163345 is a deficient number, since it is larger than the sum of its proper divisors (232675).

1163345 is an equidigital number, since it uses as much as digits as its factorization.

1163345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232674.

The product of its digits is 1080, while the sum is 23.

The square root of 1163345 is about 1078.5847208263. The cubic root of 1163345 is about 105.1726562252.

Adding to 1163345 its reverse (5433611), we get a palindrome (6596956).

The spelling of 1163345 in words is "one million, one hundred sixty-three thousand, three hundred forty-five".