121065504 has 96 divisors (see below), whose sum is σ = 365129856. Its totient is φ = 34406400.

The previous prime is 121065493. The next prime is 121065577. The reversal of 121065504 is 405560121.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172354 + ... + 173054.

It is an arithmetic number, because the mean of its divisors is an integer number (3803436).

Almost surely, 2^121065504 is an apocalyptic number.

121065504 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 121065504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182564928).

121065504 is an abundant number, since it is smaller than the sum of its proper divisors (244064352).

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

121065504 is a wasteful number, since it uses less digits than its factorization.

121065504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 121065504 is about 11002.9770516892. The cubic root of 121065504 is about 494.6979812574.

The spelling of 121065504 in words is "one hundred twenty-one million, sixty-five thousand, five hundred four".