121755673671 has 8 divisors (see below), whose sum is σ = 166728490224. Its totient is φ = 78976653120.

The previous prime is 121755673621. The next prime is 121755673681. The reversal of 121755673671 is 176376557121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121755673671 - 2⁶ = 121755673607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121755673621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548448870 + ... + 548449091.

It is an arithmetic number, because the mean of its divisors is an integer number (20841061278).

Almost surely, 2^121755673671 is an apocalyptic number.

121755673671 is a deficient number, since it is larger than the sum of its proper divisors (44972816553).

121755673671 is a wasteful number, since it uses less digits than its factorization.

121755673671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096898001.

The product of its digits is 1852200, while the sum is 51.

The spelling of 121755673671 in words is "one hundred twenty-one billion, seven hundred fifty-five million, six hundred seventy-three thousand, six hundred seventy-one".