4122605 has 16 divisors (see below), whose sum is σ = 5163264. Its totient is φ = 3157440.

The previous prime is 4122583. The next prime is 4122607. The reversal of 4122605 is 5062214.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4122605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122607) 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, 12290 + ... + 12620.

It is an arithmetic number, because the mean of its divisors is an integer number (322704).

Almost surely, 2^4122605 is an apocalyptic number.

It is an amenable number.

4122605 is a deficient number, since it is larger than the sum of its proper divisors (1040659).

4122605 is a wasteful number, since it uses less digits than its factorization.

4122605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4122605 is about 2030.4199073098. The cubic root of 4122605 is about 160.3456719263.

Adding to 4122605 its reverse (5062214), we get a palindrome (9184819).

The spelling of 4122605 in words is "four million, one hundred twenty-two thousand, six hundred five".