121843845560 has 32 divisors (see below), whose sum is σ = 276574757040. Its totient is φ = 48306230784.

The previous prime is 121843845533. The next prime is 121843845647. The reversal of 121843845560 is 65548348121.

121843845560 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, 13473782 + ... + 13482821.

Almost surely, 2^121843845560 is an apocalyptic number.

121843845560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121843845560 is an abundant number, since it is smaller than the sum of its proper divisors (154730911480).

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

121843845560 is a wasteful number, since it uses less digits than its factorization.

121843845560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26956727 (or 26956723 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 121843845560 in words is "one hundred twenty-one billion, eight hundred forty-three million, eight hundred forty-five thousand, five hundred sixty".