1133238 has 16 divisors (see below), whose sum is σ = 2301120. Its totient is φ = 371976.

The previous prime is 1133227. The next prime is 1133239. The reversal of 1133238 is 8323311.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133239) 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, 1008 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (143820).

2^1133238 is an apocalyptic number.

1133238 is an abundant number, since it is smaller than the sum of its proper divisors (1167882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1133238 is a wasteful number, since it uses less digits than its factorization.

1133238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891.

The product of its digits is 432, while the sum is 21.

The square root of 1133238 is about 1064.5365188663. The cubic root of 1133238 is about 104.2574366852.

Adding to 1133238 its reverse (8323311), we get a palindrome (9456549).

The spelling of 1133238 in words is "one million, one hundred thirty-three thousand, two hundred thirty-eight".