121752382366079 has 4 divisors (see below), whose sum is σ = 121786080787176. Its totient is φ = 121718683944984.

The previous prime is 121752382366073. The next prime is 121752382366091. The reversal of 121752382366079 is 970663283257121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121752382366079 - 2³² = 121748087398783 is a prime.

It is a super-3 number, since 3×121752382366079³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121752382366073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16849205129 + ... + 16849212354.

It is an arithmetic number, because the mean of its divisors is an integer number (30446520196794).

Almost surely, 2^{121752382366079} is an apocalyptic number.

121752382366079 is a deficient number, since it is larger than the sum of its proper divisors (33698421097).

121752382366079 is an equidigital number, since it uses as much as digits as its factorization.

121752382366079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33698421096.

The product of its (nonzero) digits is 45722880, while the sum is 62.

The spelling of 121752382366079 in words is "one hundred twenty-one trillion, seven hundred fifty-two billion, three hundred eighty-two million, three hundred sixty-six thousand, seventy-nine".