2054120225 has 36 divisors (see below), whose sum is σ = 2685828096. Its totient is φ = 1558196640.

The previous prime is 2054120221. The next prime is 2054120249. The reversal of 2054120225 is 5220214502.

It is not a de Polignac number, because 2054120225 - 2² = 2054120221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2054120225.

It is not an unprimeable number, because it can be changed into a prime (2054120221) 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 35 ways as a sum of consecutive naturals, for example, 1678964 + ... + 1680186.

It is an arithmetic number, because the mean of its divisors is an integer number (74606336).

Almost surely, 2^2054120225 is an apocalyptic number.

2054120225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2054120225 is a deficient number, since it is larger than the sum of its proper divisors (631707871).

2054120225 is a wasteful number, since it uses less digits than its factorization.

2054120225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2054120225 is about 45322.4031247241. The cubic root of 2054120225 is about 1271.1845902700.

Adding to 2054120225 its reverse (5220214502), we get a palindrome (7274334727).

The spelling of 2054120225 in words is "two billion, fifty-four million, one hundred twenty thousand, two hundred twenty-five".