4122425 has 12 divisors (see below), whose sum is σ = 5139180. Its totient is φ = 3280320.

The previous prime is 4122421. The next prime is 4122479. The reversal of 4122425 is 5242214.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1993744 + 2128681 = 1412^2 + 1459^2 .

It is not a de Polignac number, because 4122425 - 2² = 4122421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4122397 and 4122406.

It is not an unprimeable number, because it can be changed into a prime (4122421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6419 + ... + 7031.

It is an arithmetic number, because the mean of its divisors is an integer number (428265).

Almost surely, 2^4122425 is an apocalyptic number.

It is an amenable number.

4122425 is a deficient number, since it is larger than the sum of its proper divisors (1016755).

4122425 is a wasteful number, since it uses less digits than its factorization.

4122425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 887 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 4122425 is about 2030.3755810194. The cubic root of 4122425 is about 160.3433382367.

Adding to 4122425 its reverse (5242214), we get a palindrome (9364639).

The spelling of 4122425 in words is "four million, one hundred twenty-two thousand, four hundred twenty-five".