121202839073 has 8 divisors (see below), whose sum is σ = 128337423840. Its totient is φ = 114068810560.

The previous prime is 121202839049. The next prime is 121202839091. The reversal of 121202839073 is 370938202121.

It is a happy number.

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 121202839073 - 2²⁰ = 121201790497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121202839573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360938 + ... + 610476.

It is an arithmetic number, because the mean of its divisors is an integer number (16042177980).

Almost surely, 2^121202839073 is an apocalyptic number.

It is an amenable number.

121202839073 is a deficient number, since it is larger than the sum of its proper divisors (7134584767).

121202839073 is a wasteful number, since it uses less digits than its factorization.

121202839073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278127.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 121202839073 in words is "one hundred twenty-one billion, two hundred two million, eight hundred thirty-nine thousand, seventy-three".