121340324 has 48 divisors (see below), whose sum is σ = 256413696. Its totient is φ = 49140000.

The previous prime is 121340299. The next prime is 121340347. The reversal of 121340324 is 423043121.

It is a junction number, because it is equal to n+sod(n) for n = 121340296 and 121340305.

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 15 ways as a sum of consecutive naturals, for example, 35699 + ... + 38949.

It is an arithmetic number, because the mean of its divisors is an integer number (5341952).

Almost surely, 2^121340324 is an apocalyptic number.

121340324 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 121340324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128206848).

121340324 is an abundant number, since it is smaller than the sum of its proper divisors (135073372).

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

121340324 is a wasteful number, since it uses less digits than its factorization.

121340324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336 (or 3334 counting only the distinct ones).

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

The square root of 121340324 is about 11015.4584107971. The cubic root of 121340324 is about 495.0720216260.

Adding to 121340324 its reverse (423043121), we get a palindrome (544383445).

The spelling of 121340324 in words is "one hundred twenty-one million, three hundred forty thousand, three hundred twenty-four".