121311229 has 8 divisors (see below), whose sum is σ = 130737152. Its totient is φ = 111898800.

The previous prime is 121311227. The next prime is 121311247. The reversal of 121311229 is 922113121.

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

It is not a de Polignac number, because 121311229 - 2¹ = 121311227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121311227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22972 + ... + 27754.

It is an arithmetic number, because the mean of its divisors is an integer number (16342144).

Almost surely, 2^121311229 is an apocalyptic number.

It is an amenable number.

121311229 is a deficient number, since it is larger than the sum of its proper divisors (9425923).

121311229 is a wasteful number, since it uses less digits than its factorization.

121311229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6747.

The product of its digits is 216, while the sum is 22.

The square root of 121311229 is about 11014.1376875360. The cubic root of 121311229 is about 495.0324489832.

The spelling of 121311229 in words is "one hundred twenty-one million, three hundred eleven thousand, two hundred twenty-nine".