12124641 has 16 divisors (see below), whose sum is σ = 17480000. Its totient is φ = 7449408.

The previous prime is 12124591. The next prime is 12124661. The reversal of 12124641 is 14642121.

It is a happy number.

It is not a de Polignac number, because 12124641 - 2⁷ = 12124513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12124661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766 + ... + 4983.

It is an arithmetic number, because the mean of its divisors is an integer number (1092500).

Almost surely, 2^12124641 is an apocalyptic number.

It is an amenable number.

12124641 is a deficient number, since it is larger than the sum of its proper divisors (5355359).

12124641 is a wasteful number, since it uses less digits than its factorization.

12124641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808.

The product of its digits is 384, while the sum is 21.

The square root of 12124641 is about 3482.0455195187. The cubic root of 12124641 is about 229.7327772373.

Adding to 12124641 its reverse (14642121), we get a palindrome (26766762).

The spelling of 12124641 in words is "twelve million, one hundred twenty-four thousand, six hundred forty-one".