4120225 has 6 divisors (see below), whose sum is σ = 5109110. Its totient is φ = 3296160.

The previous prime is 4120223. The next prime is 4120229. The reversal of 4120225 is 5220214.

It can be written as a sum of positive squares in 3 ways, for example, as 1216609 + 2903616 = 1103^2 + 1704^2 .

It is not a de Polignac number, because 4120225 - 2¹ = 4120223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4120199 and 4120208.

It is not an unprimeable number, because it can be changed into a prime (4120223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82380 + ... + 82429.

Almost surely, 2^4120225 is an apocalyptic number.

It is an amenable number.

4120225 is a deficient number, since it is larger than the sum of its proper divisors (988885).

4120225 is a wasteful number, since it uses less digits than its factorization.

4120225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164819 (or 164814 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 4120225 is about 2029.8337370337. The cubic root of 4120225 is about 160.3148098734.

Adding to 4120225 its reverse (5220214), we get a palindrome (9340439).

The spelling of 4120225 in words is "four million, one hundred twenty thousand, two hundred twenty-five".