12124871 has 16 divisors (see below), whose sum is σ = 13824000. Its totient is φ = 10533600.

The previous prime is 12124867. The next prime is 12124891. The reversal of 12124871 is 17842121.

12124871 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12124871 - 2² = 12124867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12124871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60830 + ... + 61028.

It is an arithmetic number, because the mean of its divisors is an integer number (864000).

Almost surely, 2^12124871 is an apocalyptic number.

12124871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12124871 is a deficient number, since it is larger than the sum of its proper divisors (1699129).

12124871 is a wasteful number, since it uses less digits than its factorization.

12124871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430.

The product of its digits is 896, while the sum is 26.

The square root of 12124871 is about 3482.0785459263. The cubic root of 12124871 is about 229.7342298770.

Adding to 12124871 its reverse (17842121), we get a palindrome (29966992).

The spelling of 12124871 in words is "twelve million, one hundred twenty-four thousand, eight hundred seventy-one".