121141223 has 4 divisors (see below), whose sum is σ = 138447120. Its totient is φ = 103835328.

The previous prime is 121141217. The next prime is 121141243. The reversal of 121141223 is 322141121.

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

It is a cyclic number.

It is not a de Polignac number, because 121141223 - 2⁸ = 121140967 is a prime.

It is a super-3 number, since 3×121141223³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121141243) 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, 8652938 + ... + 8652951.

It is an arithmetic number, because the mean of its divisors is an integer number (34611780).

Almost surely, 2^121141223 is an apocalyptic number.

121141223 is a deficient number, since it is larger than the sum of its proper divisors (17305897).

121141223 is an equidigital number, since it uses as much as digits as its factorization.

121141223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17305896.

The product of its digits is 96, while the sum is 17.

The square root of 121141223 is about 11006.4173553432. The cubic root of 121141223 is about 494.8010941142.

Adding to 121141223 its reverse (322141121), we get a palindrome (443282344).

The spelling of 121141223 in words is "one hundred twenty-one million, one hundred forty-one thousand, two hundred twenty-three".