1133863 has 8 divisors (see below), whose sum is σ = 1209600. Its totient is φ = 1059768.

The previous prime is 1133861. The next prime is 1133893. The reversal of 1133863 is 3683311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1133863 - 2¹ = 1133861 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 (1133861) 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, 1218 + ... + 1936.

It is an arithmetic number, because the mean of its divisors is an integer number (151200).

2^1133863 is an apocalyptic number.

1133863 is a deficient number, since it is larger than the sum of its proper divisors (75737).

1133863 is an equidigital number, since it uses as much as digits as its factorization.

1133863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its digits is 1296, while the sum is 25.

The square root of 1133863 is about 1064.8300333856. The cubic root of 1133863 is about 104.2765997449.

It can be divided in two parts, 1133 and 863, that multiplied together give a palindrome (977779).

The spelling of 1133863 in words is "one million, one hundred thirty-three thousand, eight hundred sixty-three".