121867545606 has 16 divisors (see below), whose sum is σ = 246671659584. Its totient is φ = 40133087144.

The previous prime is 121867545589. The next prime is 121867545649. The reversal of 121867545606 is 606545768121.

It is a happy number.

121867545606 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122356476 + ... + 122357471.

It is an arithmetic number, because the mean of its divisors is an integer number (15416978724).

Almost surely, 2^121867545606 is an apocalyptic number.

121867545606 is an abundant number, since it is smaller than the sum of its proper divisors (124804113978).

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

121867545606 is a wasteful number, since it uses less digits than its factorization.

121867545606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244714035.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 121867545606 in words is "one hundred twenty-one billion, eight hundred sixty-seven million, five hundred forty-five thousand, six hundred six".