121242771364 has 48 divisors (see below), whose sum is σ = 250709417280. Its totient is φ = 50576999040.

The previous prime is 121242771317. The next prime is 121242771439. The reversal of 121242771364 is 463177242121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513654 + ... + 711565.

It is an arithmetic number, because the mean of its divisors is an integer number (5223112860).

Almost surely, 2^121242771364 is an apocalyptic number.

It is an amenable number.

121242771364 is an abundant number, since it is smaller than the sum of its proper divisors (129466645916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121242771364 is a wasteful number, since it uses less digits than its factorization.

121242771364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225420 (or 1225418 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The spelling of 121242771364 in words is "one hundred twenty-one billion, two hundred forty-two million, seven hundred seventy-one thousand, three hundred sixty-four".