121233 has 16 divisors (see below), whose sum is σ = 193536. Its totient is φ = 66000.

The previous prime is 121229. The next prime is 121259. The reversal of 121233 is 332121.

It is a happy number.

It is not a de Polignac number, because 121233 - 2² = 121229 is a prime.

It is a Curzon number.

121233 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (121283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358 + ... + 608.

It is an arithmetic number, because the mean of its divisors is an integer number (12096).

2¹²¹²³³ is an apocalyptic number.

It is an amenable number.

121233 is a deficient number, since it is larger than the sum of its proper divisors (72303).

121233 is a wasteful number, since it uses less digits than its factorization.

121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284.

The product of its digits is 36, while the sum is 12.

The square root of 121233 is about 348.1852954965. The cubic root of 121233 is about 49.4926016899.

Adding to 121233 its reverse (332121), we get a palindrome (453354).

The spelling of 121233 in words is "one hundred twenty-one thousand, two hundred thirty-three".