2040203121 has 8 divisors (see below), whose sum is σ = 2967568224. Its totient is φ = 1236486720.

The previous prime is 2040203111. The next prime is 2040203149. The reversal of 2040203121 is 1213020402.

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

It is not a de Polignac number, because 2040203121 - 2⁵ = 2040203089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040203121.

It is not an unprimeable number, because it can be changed into a prime (2040203101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30912136 + ... + 30912201.

It is an arithmetic number, because the mean of its divisors is an integer number (370946028).

Almost surely, 2^2040203121 is an apocalyptic number.

It is an amenable number.

2040203121 is a deficient number, since it is larger than the sum of its proper divisors (927365103).

2040203121 is a wasteful number, since it uses less digits than its factorization.

2040203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61824351.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2040203121 is about 45168.6076938398. The cubic root of 2040203121 is about 1268.3072330270.

Adding to 2040203121 its reverse (1213020402), we get a palindrome (3253223523).

The spelling of 2040203121 in words is "two billion, forty million, two hundred three thousand, one hundred twenty-one".