121867468775 has 48 divisors (see below), whose sum is σ = 165289420800. Its totient is φ = 88595404800.

The previous prime is 121867468741. The next prime is 121867468781. The reversal of 121867468775 is 577864768121.

It is not a de Polignac number, because 121867468775 - 2⁶ = 121867468711 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5460890 + ... + 5483160.

It is an arithmetic number, because the mean of its divisors is an integer number (3443529600).

Almost surely, 2^121867468775 is an apocalyptic number.

121867468775 is a deficient number, since it is larger than the sum of its proper divisors (43421952025).

121867468775 is a wasteful number, since it uses less digits than its factorization.

121867468775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22556 (or 22551 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 62.

The spelling of 121867468775 in words is "one hundred twenty-one billion, eight hundred sixty-seven million, four hundred sixty-eight thousand, seven hundred seventy-five".