121052898765 has 16 divisors (see below), whose sum is σ = 215205153600. Its totient is φ = 64561545936.

The previous prime is 121052898671. The next prime is 121052898787. The reversal of 121052898765 is 567898250121.

121052898765 is a `hidden beast` number, since 1 + 21 + 0 + 528 + 98 + 7 + 6 + 5 = 666.

It is not a de Polignac number, because 121052898765 - 2²⁰ = 121051850189 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 448343935 + ... + 448344204.

It is an arithmetic number, because the mean of its divisors is an integer number (13450322100).

Almost surely, 2^121052898765 is an apocalyptic number.

121052898765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121052898765 is a deficient number, since it is larger than the sum of its proper divisors (94152254835).

121052898765 is an equidigital number, since it uses as much as digits as its factorization.

121052898765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896688153 (or 896688147 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 121052898765 in words is "one hundred twenty-one billion, fifty-two million, eight hundred ninety-eight thousand, seven hundred sixty-five".