1163243 has 8 divisors (see below), whose sum is σ = 1208400. Its totient is φ = 1118880.

The previous prime is 1163233. The next prime is 1163251. The reversal of 1163243 is 3423611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1163243 - 2¹⁰ = 1162219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5408 + ... + 5618.

It is an arithmetic number, because the mean of its divisors is an integer number (151050).

2^1163243 is an apocalyptic number.

1163243 is a deficient number, since it is larger than the sum of its proper divisors (45157).

1163243 is a wasteful number, since it uses less digits than its factorization.

1163243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397.

The product of its digits is 432, while the sum is 20.

The square root of 1163243 is about 1078.5374356043. The cubic root of 1163243 is about 105.1695823522.

Adding to 1163243 its reverse (3423611), we get a palindrome (4586854).

The spelling of 1163243 in words is "one million, one hundred sixty-three thousand, two hundred forty-three".