2003122404 has 36 divisors (see below), whose sum is σ = 5186950860. Its totient is φ = 651421440.

The previous prime is 2003122399. The next prime is 2003122483. The reversal of 2003122404 is 4042213002.

It can be written as a sum of positive squares in 2 ways, for example, as 961124004 + 1041998400 = 31002^2 + 32280^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 677089 + ... + 680040.

Almost surely, 2^2003122404 is an apocalyptic number.

It is an amenable number.

2003122404 is an abundant number, since it is smaller than the sum of its proper divisors (3183828456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003122404 is a wasteful number, since it uses less digits than its factorization.

2003122404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357180 (or 1357175 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2003122404 is about 44756.2554733972. The cubic root of 2003122404 is about 1260.5763727370.

Adding to 2003122404 its reverse (4042213002), we get a palindrome (6045335406).

The spelling of 2003122404 in words is "two billion, three million, one hundred twenty-two thousand, four hundred four".