121424808 has 16 divisors (see below), whose sum is σ = 303562080. Its totient is φ = 40474928.

The previous prime is 121424789. The next prime is 121424851. The reversal of 121424808 is 808424121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2529660 + ... + 2529707.

It is an arithmetic number, because the mean of its divisors is an integer number (18972630).

Almost surely, 2^121424808 is an apocalyptic number.

It is an amenable number.

121424808 is an abundant number, since it is smaller than the sum of its proper divisors (182137272).

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

121424808 is a wasteful number, since it uses less digits than its factorization.

121424808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059376 (or 5059372 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 121424808 is about 11019.2925362747. The cubic root of 121424808 is about 495.1868940222.

Adding to 121424808 its reverse (808424121), we get a palindrome (929848929).

The spelling of 121424808 in words is "one hundred twenty-one million, four hundred twenty-four thousand, eight hundred eight".