121932384 has 180 divisors, whose sum is σ = 390336156. Its totient is φ = 33323136.

The previous prime is 121932379. The next prime is 121932389. The reversal of 121932384 is 483239121.

It is an interprime number because it is at equal distance from previous prime (121932379) and next prime (121932389).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121932389) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5301397 + ... + 5301419.

Almost surely, 2^121932384 is an apocalyptic number.

121932384 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 121932384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195168078).

121932384 is an abundant number, since it is smaller than the sum of its proper divisors (268403772).

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

121932384 is an frugal number, since it uses more digits than its factorization.

121932384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 35 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 121932384 is about 11042.2997604666. The cubic root of 121932384 is about 495.8759228315.

The spelling of 121932384 in words is "one hundred twenty-one million, nine hundred thirty-two thousand, three hundred eighty-four".