12240141 has 4 divisors (see below), whose sum is σ = 16320192. Its totient is φ = 8160092.

The previous prime is 12240131. The next prime is 12240157. The reversal of 12240141 is 14104221.

12240141 is digitally balanced in base 2 and base 4, because in such bases 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 Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12240141 - 2⁷ = 12240013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12240141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240121) 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, 2040021 + ... + 2040026.

It is an arithmetic number, because the mean of its divisors is an integer number (4080048).

Almost surely, 2^12240141 is an apocalyptic number.

It is an amenable number.

12240141 is a deficient number, since it is larger than the sum of its proper divisors (4080051).

12240141 is an equidigital number, since it uses as much as digits as its factorization.

12240141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080050.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 12240141 is about 3498.5912879329. The cubic root of 12240141 is about 230.4599554315.

Adding to 12240141 its reverse (14104221), we get a palindrome (26344362).

The spelling of 12240141 in words is "twelve million, two hundred forty thousand, one hundred forty-one".