121224411 has 32 divisors (see below), whose sum is σ = 223910400. Its totient is φ = 62972640.

The previous prime is 121224407. The next prime is 121224419. The reversal of 121224411 is 114422121.

It is not a de Polignac number, because 121224411 - 2² = 121224407 is a prime.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (121224419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27076 + ... + 31233.

It is an arithmetic number, because the mean of its divisors is an integer number (6997200).

Almost surely, 2^121224411 is an apocalyptic number.

121224411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121224411 is a deficient number, since it is larger than the sum of its proper divisors (102685989).

121224411 is a wasteful number, since it uses less digits than its factorization.

121224411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58336 (or 58330 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 121224411 is about 11010.1957748262. The cubic root of 121224411 is about 494.9143286077.

Adding to 121224411 its reverse (114422121), we get a palindrome (235646532).

The spelling of 121224411 in words is "one hundred twenty-one million, two hundred twenty-four thousand, four hundred eleven".