12120601 has 4 divisors (see below), whose sum is σ = 12128292. Its totient is φ = 12112912.

The previous prime is 12120599. The next prime is 12120611. The reversal of 12120601 is 10602121.

12120601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 12082576 + 38025 = 3476^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120601 - 2¹ = 12120599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120611) 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, 526 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (3032073).

Almost surely, 2^12120601 is an apocalyptic number.

It is an amenable number.

12120601 is a deficient number, since it is larger than the sum of its proper divisors (7691).

12120601 is an equidigital number, since it uses as much as digits as its factorization.

12120601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7690.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 12120601 is about 3481.4653524055. The cubic root of 12120601 is about 229.7072583092.

Adding to 12120601 its reverse (10602121), we get a palindrome (22722722).

It can be divided in two parts, 12120 and 601, that added together give a palindrome (12721).

The spelling of 12120601 in words is "twelve million, one hundred twenty thousand, six hundred one".