12301129 has 4 divisors (see below), whose sum is σ = 12321684. Its totient is φ = 12280576.

The previous prime is 12301127. The next prime is 12301147. The reversal of 12301129 is 92110321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1092025 + 11209104 = 1045^2 + 3348^2 .

It is a cyclic number.

It is not a de Polignac number, because 12301129 - 2¹ = 12301127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12301123) 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, 9352 + ... + 10585.

It is an arithmetic number, because the mean of its divisors is an integer number (3080421).

Almost surely, 2^12301129 is an apocalyptic number.

It is an amenable number.

12301129 is a deficient number, since it is larger than the sum of its proper divisors (20555).

12301129 is an equidigital number, since it uses as much as digits as its factorization.

12301129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20554.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 12301129 is about 3507.2965372207. The cubic root of 12301129 is about 230.8420864352.

The spelling of 12301129 in words is "twelve million, three hundred one thousand, one hundred twenty-nine".