121752061771 has 8 divisors (see below), whose sum is σ = 125008717680. Its totient is φ = 118514733792.

The previous prime is 121752061709. The next prime is 121752061787. The reversal of 121752061771 is 177160257121.

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 121752061771 - 2²¹ = 121749964619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121752061271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4819216 + ... + 4844413.

It is an arithmetic number, because the mean of its divisors is an integer number (15626089710).

Almost surely, 2^121752061771 is an apocalyptic number.

121752061771 is a deficient number, since it is larger than the sum of its proper divisors (3256655909).

121752061771 is an equidigital number, since it uses as much as digits as its factorization.

121752061771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663965.

The product of its (nonzero) digits is 41160, while the sum is 40.

The spelling of 121752061771 in words is "one hundred twenty-one billion, seven hundred fifty-two million, sixty-one thousand, seven hundred seventy-one".