4123420 has 24 divisors (see below), whose sum is σ = 9896544. Its totient is φ = 1413696.

The previous prime is 4123387. The next prime is 4123421. The reversal of 4123420 is 243214.

It is a junction number, because it is equal to n+sod(n) for n = 4123394 and 4123403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14587 + ... + 14866.

It is an arithmetic number, because the mean of its divisors is an integer number (412356).

Almost surely, 2^4123420 is an apocalyptic number.

It is an amenable number.

4123420 is an abundant number, since it is smaller than the sum of its proper divisors (5773124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4123420 is a wasteful number, since it uses less digits than its factorization.

4123420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29469 (or 29467 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4123420 is about 2030.6205947936. The cubic root of 4123420 is about 160.3562375041.

Adding to 4123420 its reverse (243214), we get a palindrome (4366634).

The spelling of 4123420 in words is "four million, one hundred twenty-three thousand, four hundred twenty".