121060864 has 80 divisors (see below), whose sum is σ = 254358720. Its totient is φ = 57507840.

The previous prime is 121060843. The next prime is 121060873. The reversal of 121060864 is 468060121.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1532377 + ... + 1532455.

It is an arithmetic number, because the mean of its divisors is an integer number (3179484).

Almost surely, 2^121060864 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 121060864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127179360).

121060864 is an abundant number, since it is smaller than the sum of its proper divisors (133297856).

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

121060864 is an frugal number, since it uses more digits than its factorization.

121060864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 121060864 is about 11002.7661976432. The cubic root of 121060864 is about 494.6916611858.

The spelling of 121060864 in words is "one hundred twenty-one million, sixty thousand, eight hundred sixty-four".