12141109 has 4 divisors (see below), whose sum is σ = 12261420. Its totient is φ = 12020800.

The previous prime is 12141097. The next prime is 12141127. The reversal of 12141109 is 90114121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90114121 = 4621 ⋅19501.

It can be written as a sum of positive squares in 2 ways, for example, as 6275025 + 5866084 = 2505^2 + 2422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12141109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12141139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60004 + ... + 60205.

It is an arithmetic number, because the mean of its divisors is an integer number (3065355).

Almost surely, 2^12141109 is an apocalyptic number.

It is an amenable number.

12141109 is a deficient number, since it is larger than the sum of its proper divisors (120311).

12141109 is a wasteful number, since it uses less digits than its factorization.

12141109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120310.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 12141109 is about 3484.4094191125. The cubic root of 12141109 is about 229.8367398436.

The spelling of 12141109 in words is "twelve million, one hundred forty-one thousand, one hundred nine".