12153109 has 4 divisors (see below), whose sum is σ = 12299616. Its totient is φ = 12006604.

The previous prime is 12153101. The next prime is 12153121. The reversal of 12153109 is 90135121.

12153109 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 Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90135121 = 797 ⋅113093.

It is a cyclic number.

It is not a de Polignac number, because 12153109 - 2³ = 12153101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12153109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12153101) 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, 73129 + ... + 73294.

It is an arithmetic number, because the mean of its divisors is an integer number (3074904).

Almost surely, 2^12153109 is an apocalyptic number.

It is an amenable number.

12153109 is a deficient number, since it is larger than the sum of its proper divisors (146507).

12153109 is an equidigital number, since it uses as much as digits as its factorization.

12153109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146506.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 12153109 is about 3486.1309499214. The cubic root of 12153109 is about 229.9124367373.

The spelling of 12153109 in words is "twelve million, one hundred fifty-three thousand, one hundred nine".