12121159 has 8 divisors (see below), whose sum is σ = 12807360. Its totient is φ = 11452896.

The previous prime is 12121157. The next prime is 12121211. The reversal of 12121159 is 95112121.

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 12121159 - 2¹ = 12121157 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 (12121157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3084 + ... + 5809.

It is an arithmetic number, because the mean of its divisors is an integer number (1600920).

Almost surely, 2^12121159 is an apocalyptic number.

12121159 is a deficient number, since it is larger than the sum of its proper divisors (686201).

12121159 is an equidigital number, since it uses as much as digits as its factorization.

12121159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8969.

The product of its digits is 180, while the sum is 22.

The square root of 12121159 is about 3481.5454901523. The cubic root of 12121159 is about 229.7107832907.

The spelling of 12121159 in words is "twelve million, one hundred twenty-one thousand, one hundred fifty-nine".