121788096 has 28 divisors (see below), whose sum is σ = 322231512. Its totient is φ = 40595968.

The previous prime is 121788091. The next prime is 121788097. The reversal of 121788096 is 690887121.

It is not an unprimeable number, because it can be changed into a prime (121788091) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 316965 + ... + 317348.

Almost surely, 2^121788096 is an apocalyptic number.

121788096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121788096 is an abundant number, since it is smaller than the sum of its proper divisors (200443416).

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

121788096 is an equidigital number, since it uses as much as digits as its factorization.

121788096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634328 (or 634318 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 121788096 is about 11035.7644048793. The cubic root of 121788096 is about 495.6802483007.

The spelling of 121788096 in words is "one hundred twenty-one million, seven hundred eighty-eight thousand, ninety-six".