121755370273 has 8 divisors (see below), whose sum is σ = 127113069888. Its totient is φ = 116403003024.

The previous prime is 121755370229. The next prime is 121755370283. The reversal of 121755370273 is 372073557121.

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

It is a cyclic number.

It is not a de Polignac number, because 121755370273 - 2¹⁷ = 121755239201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121755370213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1286386 + ... + 1377787.

It is an arithmetic number, because the mean of its divisors is an integer number (15889133736).

Almost surely, 2^121755370273 is an apocalyptic number.

It is an amenable number.

121755370273 is a deficient number, since it is larger than the sum of its proper divisors (5357699615).

121755370273 is a wasteful number, since it uses less digits than its factorization.

121755370273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666183.

The product of its (nonzero) digits is 308700, while the sum is 43.

The spelling of 121755370273 in words is "one hundred twenty-one billion, seven hundred fifty-five million, three hundred seventy thousand, two hundred seventy-three".