121806876 has 12 divisors (see below), whose sum is σ = 284216072. Its totient is φ = 40602288.

The previous prime is 121806869. The next prime is 121806889. The reversal of 121806876 is 678608121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5075275 + ... + 5075298.

Almost surely, 2^121806876 is an apocalyptic number.

It is an amenable number.

121806876 is an abundant number, since it is smaller than the sum of its proper divisors (162409196).

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

121806876 is a wasteful number, since it uses less digits than its factorization.

121806876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150580 (or 10150578 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 121806876 is about 11036.6152420024. The cubic root of 121806876 is about 495.7057253299.

The spelling of 121806876 in words is "one hundred twenty-one million, eight hundred six thousand, eight hundred seventy-six".