12103124 has 24 divisors (see below), whose sum is σ = 23647008. Its totient is φ = 5372640.

The previous prime is 12103123. The next prime is 12103127. The reversal of 12103124 is 42130121.

It is a super-2 number, since 2×12103124² = 292971221118752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12103099 and 12103108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103123) 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, 1307 + ... + 5090.

It is an arithmetic number, because the mean of its divisors is an integer number (985292).

Almost surely, 2^12103124 is an apocalyptic number.

It is an amenable number.

12103124 is a deficient number, since it is larger than the sum of its proper divisors (11543884).

12103124 is a wasteful number, since it uses less digits than its factorization.

12103124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6455 (or 6453 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12103124 is about 3478.9544406330. The cubic root of 12103124 is about 229.5967983059.

Adding to 12103124 its reverse (42130121), we get a palindrome (54233245).

It can be divided in two parts, 1210 and 3124, that added together give a palindrome (4334).

The spelling of 12103124 in words is "twelve million, one hundred three thousand, one hundred twenty-four".