121502224 has 20 divisors (see below), whose sum is σ = 235609920. Its totient is φ = 60699680.

The previous prime is 121502221. The next prime is 121502231. The reversal of 121502224 is 422205121.

It is not an unprimeable number, because it can be changed into a prime (121502221) 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, 22509 + ... + 27379.

It is an arithmetic number, because the mean of its divisors is an integer number (11780496).

Almost surely, 2^121502224 is an apocalyptic number.

It is an amenable number.

121502224 is a deficient number, since it is larger than the sum of its proper divisors (114107696).

121502224 is a wasteful number, since it uses less digits than its factorization.

121502224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438 (or 6432 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 121502224 is about 11022.8047247513. The cubic root of 121502224 is about 495.2921093265.

Adding to 121502224 its reverse (422205121), we get a palindrome (543707345).

The spelling of 121502224 in words is "one hundred twenty-one million, five hundred two thousand, two hundred twenty-four".