2003001121 has 8 divisors (see below), whose sum is σ = 2185920000. Its totient is φ = 1820220240.

The previous prime is 2003001101. The next prime is 2003001137. The reversal of 2003001121 is 1211003002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2003001121 - 2¹¹ = 2002999073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003001098 and 2003001107.

It is not an unprimeable number, because it can be changed into a prime (2003001101) 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, 2881 + ... + 63358.

It is an arithmetic number, because the mean of its divisors is an integer number (273240000).

Almost surely, 2^2003001121 is an apocalyptic number.

It is an amenable number.

2003001121 is a deficient number, since it is larger than the sum of its proper divisors (182918879).

2003001121 is a wasteful number, since it uses less digits than its factorization.

2003001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68999.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2003001121 is about 44754.9005249704. The cubic root of 2003001121 is about 1260.5509308619.

Adding to 2003001121 its reverse (1211003002), we get a palindrome (3214004123).

The spelling of 2003001121 in words is "two billion, three million, one thousand, one hundred twenty-one".