2120233 has 4 divisors (see below), whose sum is σ = 2171988. Its totient is φ = 2068480.

The previous prime is 2120231. The next prime is 2120243. The reversal of 2120233 is 3320212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 660969 + 1459264 = 813^2 + 1208^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120233 - 2¹ = 2120231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25816 + ... + 25897.

It is an arithmetic number, because the mean of its divisors is an integer number (542997).

2^2120233 is an apocalyptic number.

It is an amenable number.

2120233 is a deficient number, since it is larger than the sum of its proper divisors (51755).

2120233 is an equidigital number, since it uses as much as digits as its factorization.

2120233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51754.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2120233 is about 1456.1019881863. The cubic root of 2120233 is about 128.4678718752.

Adding to 2120233 its reverse (3320212), we get a palindrome (5440445).

The spelling of 2120233 in words is "two million, one hundred twenty thousand, two hundred thirty-three".