121755464676 has 36 divisors (see below), whose sum is σ = 307839818832. Its totient is φ = 40576047984.

The previous prime is 121755464641. The next prime is 121755464689. The reversal of 121755464676 is 676464557121.

121755464676 is a `hidden beast` number, since 1 + 2 + 17 + 554 + 6 + 4 + 6 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215826 + ... + 538601.

Almost surely, 2^121755464676 is an apocalyptic number.

It is an amenable number.

121755464676 is an abundant number, since it is smaller than the sum of its proper divisors (186084354156).

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

121755464676 is a wasteful number, since it uses less digits than its factorization.

121755464676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758920 (or 758915 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The spelling of 121755464676 in words is "one hundred twenty-one billion, seven hundred fifty-five million, four hundred sixty-four thousand, six hundred seventy-six".