2040121033 has 4 divisors (see below), whose sum is σ = 2055694608. Its totient is φ = 2024547460.

The previous prime is 2040120983. The next prime is 2040121037. The reversal of 2040121033 is 3301210402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2040121033 - 2²¹ = 2038023881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2040120998 and 2040121016.

It is not an unprimeable number, because it can be changed into a prime (2040121037) 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 3 ways as a sum of consecutive naturals, for example, 7786591 + ... + 7786852.

It is an arithmetic number, because the mean of its divisors is an integer number (513923652).

Almost surely, 2^2040121033 is an apocalyptic number.

It is an amenable number.

2040121033 is a deficient number, since it is larger than the sum of its proper divisors (15573575).

2040121033 is a wasteful number, since it uses less digits than its factorization.

2040121033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15573574.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2040121033 is about 45167.6990005026. The cubic root of 2040121033 is about 1268.2902225965.

Adding to 2040121033 its reverse (3301210402), we get a palindrome (5341331435).

The spelling of 2040121033 in words is "two billion, forty million, one hundred twenty-one thousand, thirty-three".