121066745009 has 8 divisors (see below), whose sum is σ = 138681540480. Its totient is φ = 103531836096.

The previous prime is 121066744963. The next prime is 121066745017. The reversal of 121066745009 is 900547660121.

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 121066745009 - 2¹⁶ = 121066679473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121066745209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19968389 + ... + 19974450.

It is an arithmetic number, because the mean of its divisors is an integer number (17335192560).

Almost surely, 2^121066745009 is an apocalyptic number.

It is an amenable number.

121066745009 is a deficient number, since it is larger than the sum of its proper divisors (17614795471).

121066745009 is an equidigital number, since it uses as much as digits as its factorization.

121066745009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39943279.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 121066745009 in words is "one hundred twenty-one billion, sixty-six million, seven hundred forty-five thousand, nine".