121384832 has 32 divisors (see below), whose sum is σ = 246978720. Its totient is φ = 59398144.

The previous prime is 121384831. The next prime is 121384847. The reversal of 121384832 is 238483121.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121384831) by changing a digit.

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, 4073 + ... + 16104.

It is an arithmetic number, because the mean of its divisors is an integer number (7718085).

Almost surely, 2^121384832 is an apocalyptic number.

It is an amenable number.

121384832 is an abundant number, since it is smaller than the sum of its proper divisors (125593888).

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

121384832 is an equidigital number, since it uses as much as digits as its factorization.

121384832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20238 (or 20226 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 121384832 is about 11017.4784774013. The cubic root of 121384832 is about 495.1325455344.

The spelling of 121384832 in words is "one hundred twenty-one million, three hundred eighty-four thousand, eight hundred thirty-two".