121227243 has 8 divisors (see below), whose sum is σ = 162233856. Its totient is φ = 80519400.

The previous prime is 121227229. The next prime is 121227251. The reversal of 121227243 is 342722121.

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

It is not a de Polignac number, because 121227243 - 2⁹ = 121226731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121227203) 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, 73743 + ... + 75368.

It is an arithmetic number, because the mean of its divisors is an integer number (20279232).

Almost surely, 2^121227243 is an apocalyptic number.

121227243 is a deficient number, since it is larger than the sum of its proper divisors (41006613).

121227243 is a wasteful number, since it uses less digits than its factorization.

121227243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149385.

The product of its digits is 1344, while the sum is 24.

The square root of 121227243 is about 11010.3243821424. The cubic root of 121227243 is about 494.9181825798.

Adding to 121227243 its reverse (342722121), we get a palindrome (463949364).

The spelling of 121227243 in words is "one hundred twenty-one million, two hundred twenty-seven thousand, two hundred forty-three".