2203129 has 4 divisors (see below), whose sum is σ = 2214400. Its totient is φ = 2191860.

The previous prime is 2203121. The next prime is 2203133. The reversal of 2203129 is 9213022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2203129 - 2³ = 2203121 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2203121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5337 + ... + 5734.

It is an arithmetic number, because the mean of its divisors is an integer number (553600).

2^2203129 is an apocalyptic number.

It is an amenable number.

2203129 is a deficient number, since it is larger than the sum of its proper divisors (11271).

2203129 is a wasteful number, since it uses less digits than its factorization.

2203129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11270.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2203129 is about 1484.2941083222. The cubic root of 2203129 is about 130.1207753340.

It can be divided in two parts, 2203 and 129, that added together give a palindrome (2332).

The spelling of 2203129 in words is "two million, two hundred three thousand, one hundred twenty-nine".