4120425 has 18 divisors (see below), whose sum is σ = 7380542. Its totient is φ = 2197440.

The previous prime is 4120423. The next prime is 4120429. The reversal of 4120425 is 5240214.

It can be written as a sum of positive squares in 3 ways, for example, as 56169 + 4064256 = 237^2 + 2016^2 .

It is not a de Polignac number, because 4120425 - 2¹ = 4120423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4120398 and 4120407.

It is not an unprimeable number, because it can be changed into a prime (4120423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8932 + ... + 9381.

Almost surely, 2^4120425 is an apocalyptic number.

4120425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4120425 is a deficient number, since it is larger than the sum of its proper divisors (3260117).

4120425 is a wasteful number, since it uses less digits than its factorization.

4120425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18329 (or 18321 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4120425 is about 2029.8830015545. The cubic root of 4120425 is about 160.3174037806.

Adding to 4120425 its reverse (5240214), we get a palindrome (9360639).

The spelling of 4120425 in words is "four million, one hundred twenty thousand, four hundred twenty-five".