2054404121 has 16 divisors (see below), whose sum is σ = 2565454848. Its totient is φ = 1598259600.

The previous prime is 2054404063. The next prime is 2054404123. The reversal of 2054404121 is 1214044502.

It is not a de Polignac number, because 2054404121 - 2⁶ = 2054404057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2054404123) 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 15 ways as a sum of consecutive naturals, for example, 27446 + ... + 69728.

It is an arithmetic number, because the mean of its divisors is an integer number (160340928).

Almost surely, 2^2054404121 is an apocalyptic number.

It is an amenable number.

2054404121 is a deficient number, since it is larger than the sum of its proper divisors (511050727).

2054404121 is a wasteful number, since it uses less digits than its factorization.

2054404121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42932.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2054404121 is about 45325.5349775378. The cubic root of 2054404121 is about 1271.2431502302.

Adding to 2054404121 its reverse (1214044502), we get a palindrome (3268448623).

The spelling of 2054404121 in words is "two billion, fifty-four million, four hundred four thousand, one hundred twenty-one".