121096689 has 12 divisors (see below), whose sum is σ = 187823664. Its totient is φ = 69198024.

The previous prime is 121096687. The next prime is 121096691. The reversal of 121096689 is 986690121.

It is an interprime number because it is at equal distance from previous prime (121096687) and next prime (121096691).

It is not a de Polignac number, because 121096689 - 2¹ = 121096687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121096689.

It is not an unprimeable number, because it can be changed into a prime (121096687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411747 + ... + 412040.

It is an arithmetic number, because the mean of its divisors is an integer number (15651972).

Almost surely, 2^121096689 is an apocalyptic number.

It is an amenable number.

121096689 is a deficient number, since it is larger than the sum of its proper divisors (66726975).

121096689 is an equidigital number, since it uses as much as digits as its factorization.

121096689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823804 (or 823797 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 121096689 is about 11004.3940769131. The cubic root of 121096689 is about 494.7404536700.

The spelling of 121096689 in words is "one hundred twenty-one million, ninety-six thousand, six hundred eighty-nine".