4123685 has 8 divisors (see below), whose sum is σ = 4959360. Its totient is φ = 3291664.

The previous prime is 4123681. The next prime is 4123727. The reversal of 4123685 is 5863214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4123685 - 2² = 4123681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3704 + ... + 4686.

It is an arithmetic number, because the mean of its divisors is an integer number (619920).

Almost surely, 2^4123685 is an apocalyptic number.

It is an amenable number.

4123685 is a deficient number, since it is larger than the sum of its proper divisors (835675).

4123685 is an equidigital number, since it uses as much as digits as its factorization.

4123685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827.

The product of its digits is 5760, while the sum is 29.

The square root of 4123685 is about 2030.6858447333. The cubic root of 4123685 is about 160.3596726375.

Adding to 4123685 its reverse (5863214), we get a palindrome (9986899).

The spelling of 4123685 in words is "four million, one hundred twenty-three thousand, six hundred eighty-five".