4212123 has 8 divisors (see below), whose sum is σ = 5646336. Its totient is φ = 2793000.

The previous prime is 4212121. The next prime is 4212127. The reversal of 4212123 is 3212124.

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

It is not a de Polignac number, because 4212123 - 2¹ = 4212121 is a prime.

4212123 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4212121) 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, 3103 + ... + 4248.

It is an arithmetic number, because the mean of its divisors is an integer number (705792).

Almost surely, 2^4212123 is an apocalyptic number.

4212123 is a deficient number, since it is larger than the sum of its proper divisors (1434213).

4212123 is a wasteful number, since it uses less digits than its factorization.

4212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7545.

The product of its digits is 96, while the sum is 15.

The square root of 4212123 is about 2052.3457311087. The cubic root of 4212123 is about 161.4979503681.

Adding to 4212123 its reverse (3212124), we get a palindrome (7424247).

Subtracting from 4212123 its reverse (3212124), we obtain a palindrome (999999).

The spelling of 4212123 in words is "four million, two hundred twelve thousand, one hundred twenty-three".