12124147 has 8 divisors (see below), whose sum is σ = 14585600. Its totient is φ = 9845064.

The previous prime is 12124139. The next prime is 12124153. The reversal of 12124147 is 74142121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12124147 - 2³ = 12124139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12124157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45447 + ... + 45712.

It is an arithmetic number, because the mean of its divisors is an integer number (1823200).

Almost surely, 2^12124147 is an apocalyptic number.

12124147 is a deficient number, since it is larger than the sum of its proper divisors (2461453).

12124147 is an equidigital number, since it uses as much as digits as its factorization.

12124147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91185.

The product of its digits is 448, while the sum is 22.

The square root of 12124147 is about 3481.9745834799. The cubic root of 12124147 is about 229.7296571577.

Adding to 12124147 its reverse (74142121), we get a palindrome (86266268).

The spelling of 12124147 in words is "twelve million, one hundred twenty-four thousand, one hundred forty-seven".