121793129943 has 8 divisors (see below), whose sum is σ = 162850872048. Its totient is φ = 80965403904.

The previous prime is 121793129923. The next prime is 121793129959. The reversal of 121793129943 is 349921397121.

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

It is not a de Polignac number, because 121793129943 - 2⁹ = 121793129431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121793129923) 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, 57502780 + ... + 57504897.

It is an arithmetic number, because the mean of its divisors is an integer number (20356359006).

Almost surely, 2^121793129943 is an apocalyptic number.

121793129943 is a deficient number, since it is larger than the sum of its proper divisors (41057742105).

121793129943 is a wasteful number, since it uses less digits than its factorization.

121793129943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115008033.

The product of its digits is 734832, while the sum is 51.

The spelling of 121793129943 in words is "one hundred twenty-one billion, seven hundred ninety-three million, one hundred twenty-nine thousand, nine hundred forty-three".