2003121130 has 16 divisors (see below), whose sum is σ = 3606149160. Its totient is φ = 801130432.

The previous prime is 2003121121. The next prime is 2003121137. The reversal of 2003121130 is 311213002.

It can be written as a sum of positive squares in 4 ways, for example, as 1535307489 + 467813641 = 39183^2 + 21629^2 .

It is a super-2 number, since 2×2003121130² = 8024988522904953800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2003121130.

It is not an unprimeable number, because it can be changed into a prime (2003121137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96432 + ... + 115348.

Almost surely, 2^2003121130 is an apocalyptic number.

2003121130 is a deficient number, since it is larger than the sum of its proper divisors (1603028030).

2003121130 is a wasteful number, since it uses less digits than its factorization.

2003121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29513.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2003121130 is about 44756.2412407476. The cubic root of 2003121130 is about 1260.5761054917.

Adding to 2003121130 its reverse (311213002), we get a palindrome (2314334132).

The spelling of 2003121130 in words is "two billion, three million, one hundred twenty-one thousand, one hundred thirty".