121293955943 has 8 divisors (see below), whose sum is σ = 121863148176. Its totient is φ = 120725308800.

The previous prime is 121293955921. The next prime is 121293955973. The reversal of 121293955943 is 349559392121.

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 121293955943 - 2⁸ = 121293955687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121293955973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313280 + ... + 583722.

It is an arithmetic number, because the mean of its divisors is an integer number (15232893522).

Almost surely, 2^121293955943 is an apocalyptic number.

121293955943 is a deficient number, since it is larger than the sum of its proper divisors (569192233).

121293955943 is a wasteful number, since it uses less digits than its factorization.

121293955943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272545.

The product of its digits is 2624400, while the sum is 53.

The spelling of 121293955943 in words is "one hundred twenty-one billion, two hundred ninety-three million, nine hundred fifty-five thousand, nine hundred forty-three".