12124560 has 120 divisors (see below), whose sum is σ = 43765056. Its totient is φ = 2768640.

The previous prime is 12124549. The next prime is 12124571. The reversal of 12124560 is 6542121.

It is an interprime number because it is at equal distance from previous prime (12124549) and next prime (12124571).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11245 + ... + 12275.

Almost surely, 2^12124560 is an apocalyptic number.

12124560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12124560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21882528).

12124560 is an abundant number, since it is smaller than the sum of its proper divisors (31640496).

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

12124560 is a wasteful number, since it uses less digits than its factorization.

12124560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 12124560 is about 3482.0338884049. The cubic root of 12124560 is about 229.7322656511.

Adding to 12124560 its reverse (6542121), we get a palindrome (18666681).

The spelling of 12124560 in words is "twelve million, one hundred twenty-four thousand, five hundred sixty".