121430432 has 24 divisors (see below), whose sum is σ = 249461856. Its totient is φ = 58075072.

The previous prime is 121430423. The next prime is 121430459. The reversal of 121430432 is 234034121.

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 3 ways as a sum of consecutive naturals, for example, 81758 + ... + 83229.

It is an arithmetic number, because the mean of its divisors is an integer number (10394244).

Almost surely, 2^121430432 is an apocalyptic number.

It is an amenable number.

121430432 is an abundant number, since it is smaller than the sum of its proper divisors (128031424).

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

121430432 is a wasteful number, since it uses less digits than its factorization.

121430432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165020 (or 165012 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 121430432 is about 11019.5477221164. The cubic root of 121430432 is about 495.1945390500.

Adding to 121430432 its reverse (234034121), we get a palindrome (355464553).

The spelling of 121430432 in words is "one hundred twenty-one million, four hundred thirty thousand, four hundred thirty-two".