12124001 has 4 divisors (see below), whose sum is σ = 12542100. Its totient is φ = 11705904.

The previous prime is 12123977. The next prime is 12124061. The reversal of 12124001 is 10042121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10042121 = 17 ⋅590713.

It can be written as a sum of positive squares in 2 ways, for example, as 8880400 + 3243601 = 2980^2 + 1801^2 .

It is a cyclic number.

It is not a de Polignac number, because 12124001 - 2¹⁰ = 12122977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12124061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209006 + ... + 209063.

It is an arithmetic number, because the mean of its divisors is an integer number (3135525).

Almost surely, 2^12124001 is an apocalyptic number.

It is an amenable number.

12124001 is a deficient number, since it is larger than the sum of its proper divisors (418099).

12124001 is an equidigital number, since it uses as much as digits as its factorization.

12124001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418098.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 12124001 is about 3481.9536183011. The cubic root of 12124001 is about 229.7287350127.

Adding to 12124001 its reverse (10042121), we get a palindrome (22166122).

The spelling of 12124001 in words is "twelve million, one hundred twenty-four thousand, one".