2003034121 has 12 divisors (see below), whose sum is σ = 2223494532. Its totient is φ = 1802900000.

The previous prime is 2003034113. The next prime is 2003034161. The reversal of 2003034121 is 1214303002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1555119225 + 447914896 = 39435^2 + 21164^2 .

It is not a de Polignac number, because 2003034121 - 2³ = 2003034113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003034095 and 2003034104.

It is not an unprimeable number, because it can be changed into a prime (2003034101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69730 + ... + 94171.

It is an arithmetic number, because the mean of its divisors is an integer number (185291211).

Almost surely, 2^2003034121 is an apocalyptic number.

It is an amenable number.

2003034121 is a deficient number, since it is larger than the sum of its proper divisors (220460411).

2003034121 is a wasteful number, since it uses less digits than its factorization.

2003034121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164024 (or 164013 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2003034121 is about 44755.2691981626. The cubic root of 2003034121 is about 1260.5578534661.

Adding to 2003034121 its reverse (1214303002), we get a palindrome (3217337123).

The spelling of 2003034121 in words is "two billion, three million, thirty-four thousand, one hundred twenty-one".