2003013122 has 16 divisors (see below), whose sum is σ = 3390681600. Its totient is φ = 879065040.

The previous prime is 2003013101. The next prime is 2003013127. The reversal of 2003013122 is 2213103002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2003013097 and 2003013106.

It is not an unprimeable number, because it can be changed into a prime (2003013127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569122 + ... + 1570397.

It is an arithmetic number, because the mean of its divisors is an integer number (211917600).

Almost surely, 2^2003013122 is an apocalyptic number.

2003013122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2003013122 is a deficient number, since it is larger than the sum of its proper divisors (1387668478).

2003013122 is a wasteful number, since it uses less digits than its factorization.

2003013122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139561.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2003013122 is about 44755.0345994727. The cubic root of 2003013122 is about 1260.5534483911.

Adding to 2003013122 its reverse (2213103002), we get a palindrome (4216116124).

The spelling of 2003013122 in words is "two billion, three million, thirteen thousand, one hundred twenty-two".