121352064 has 64 divisors (see below), whose sum is σ = 326954880. Its totient is φ = 39872000.

The previous prime is 121352039. The next prime is 121352111. The reversal of 121352064 is 460253121.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25039 + ... + 29489.

It is an arithmetic number, because the mean of its divisors is an integer number (5108670).

Almost surely, 2^121352064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121352064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163477440).

121352064 is an abundant number, since it is smaller than the sum of its proper divisors (205602816).

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

121352064 is an equidigital number, since it uses as much as digits as its factorization.

121352064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539 (or 4527 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 121352064 is about 11015.9912853996. The cubic root of 121352064 is about 495.0879876240.

The spelling of 121352064 in words is "one hundred twenty-one million, three hundred fifty-two thousand, sixty-four".