12121585 has 8 divisors (see below), whose sum is σ = 16623936. Its totient is φ = 8311920.

The previous prime is 12121583. The next prime is 12121619. The reversal of 12121585 is 58512121.

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

It is not a de Polignac number, because 12121585 - 2¹ = 12121583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12121583) 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, 173131 + ... + 173200.

It is an arithmetic number, because the mean of its divisors is an integer number (2077992).

Almost surely, 2^12121585 is an apocalyptic number.

It is an amenable number.

12121585 is a deficient number, since it is larger than the sum of its proper divisors (4502351).

12121585 is an equidigital number, since it uses as much as digits as its factorization.

12121585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346343.

The product of its digits is 800, while the sum is 25.

The square root of 12121585 is about 3481.6066693410. The cubic root of 12121585 is about 229.7134743328.

The spelling of 12121585 in words is "twelve million, one hundred twenty-one thousand, five hundred eighty-five".