121765425246 has 12 divisors (see below), whose sum is σ = 263825088072. Its totient is φ = 40588475076.

The previous prime is 121765425211. The next prime is 121765425251. The reversal of 121765425246 is 642524567121.

121765425246 is a `hidden beast` number, since 1 + 2 + 1 + 76 + 54 + 2 + 524 + 6 = 666.

121765425246 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3382372906 + ... + 3382372941.

It is an arithmetic number, because the mean of its divisors is an integer number (21985424006).

Almost surely, 2^121765425246 is an apocalyptic number.

121765425246 is an abundant number, since it is smaller than the sum of its proper divisors (142059662826).

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

121765425246 is a wasteful number, since it uses less digits than its factorization.

121765425246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6764745855 (or 6764745852 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 121765425246 in words is "one hundred twenty-one billion, seven hundred sixty-five million, four hundred twenty-five thousand, two hundred forty-six".