121568360 has 128 divisors (see below), whose sum is σ = 306892800. Its totient is φ = 43130880.

The previous prime is 121568333. The next prime is 121568399. The reversal of 121568360 is 63865121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1538801 + ... + 1538879.

It is an arithmetic number, because the mean of its divisors is an integer number (2397600).

Almost surely, 2^121568360 is an apocalyptic number.

121568360 is a gapful number since it is divisible by the number (10) 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 121568360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153446400).

121568360 is an abundant number, since it is smaller than the sum of its proper divisors (185324440).

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

121568360 is a wasteful number, since it uses less digits than its factorization.

121568360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 121568360 is about 11025.8042790538. The cubic root of 121568360 is about 495.3819587035.

The spelling of 121568360 in words is "one hundred twenty-one million, five hundred sixty-eight thousand, three hundred sixty".