121678848 has 154 divisors (see below), whose sum is σ = 366928844. Its totient is φ = 40310784.

The previous prime is 121678819. The next prime is 121678849. The reversal of 121678848 is 848876121.

Its product of digits (172032) is a multiple of the sum of its prime divisors (168).

It is not an unprimeable number, because it can be changed into a prime (121678849) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 746415 + ... + 746577.

Almost surely, 2^121678848 is an apocalyptic number.

121678848 is a gapful number since it is divisible by the number (18) 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 121678848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183464422).

121678848 is an abundant number, since it is smaller than the sum of its proper divisors (245249996).

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

121678848 is an frugal number, since it uses more digits than its factorization.

121678848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 168 counting only the distinct ones).

The product of its digits is 172032, while the sum is 45.

The square root of 121678848 is about 11030.8135692704. The cubic root of 121678848 is about 495.5319900344.

The spelling of 121678848 in words is "one hundred twenty-one million, six hundred seventy-eight thousand, eight hundred forty-eight".