2003121425 has 12 divisors (see below), whose sum is σ = 2485138560. Its totient is φ = 1601679120.

The previous prime is 2003121409. The next prime is 2003121433. The reversal of 2003121425 is 5241213002.

It is not a de Polignac number, because 2003121425 - 2⁴ = 2003121409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003121397 and 2003121406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32156 + ... + 70994.

It is an arithmetic number, because the mean of its divisors is an integer number (207094880).

Almost surely, 2^2003121425 is an apocalyptic number.

2003121425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2003121425 is a deficient number, since it is larger than the sum of its proper divisors (482017135).

2003121425 is a wasteful number, since it uses less digits than its factorization.

2003121425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40912 (or 40907 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2003121425 is about 44756.2445363773. The cubic root of 2003121425 is about 1260.5761673735.

Adding to 2003121425 its reverse (5241213002), we get a palindrome (7244334427).

The spelling of 2003121425 in words is "two billion, three million, one hundred twenty-one thousand, four hundred twenty-five".