121030224 has 80 divisors (see below), whose sum is σ = 369678720. Its totient is φ = 33384960.

The previous prime is 121030213. The next prime is 121030241. The reversal of 121030224 is 422030121.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3534 + ... + 15954.

It is an arithmetic number, because the mean of its divisors is an integer number (4620984).

Almost surely, 2^121030224 is an apocalyptic number.

121030224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121030224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184839360).

121030224 is an abundant number, since it is smaller than the sum of its proper divisors (248648496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121030224 is a wasteful number, since it uses less digits than its factorization.

121030224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12468 (or 12462 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 121030224 is about 11001.3737324027. The cubic root of 121030224 is about 494.6499228653.

Adding to 121030224 its reverse (422030121), we get a palindrome (543060345).

The spelling of 121030224 in words is "one hundred twenty-one million, thirty thousand, two hundred twenty-four".