121527168 has 128 divisors (see below), whose sum is σ = 381888000. Its totient is φ = 33503232.

The previous prime is 121527167. The next prime is 121527181. The reversal of 121527168 is 861725121.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121527167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77173 + ... + 78731.

It is an arithmetic number, because the mean of its divisors is an integer number (2983500).

Almost surely, 2^121527168 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 121527168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190944000).

121527168 is an abundant number, since it is smaller than the sum of its proper divisors (260360832).

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

121527168 is a wasteful number, since it uses less digits than its factorization.

121527168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1600 counting only the distinct ones).

The product of its digits is 6720, while the sum is 33.

The square root of 121527168 is about 11023.9361391474. The cubic root of 121527168 is about 495.3260009449.

The spelling of 121527168 in words is "one hundred twenty-one million, five hundred twenty-seven thousand, one hundred sixty-eight".