121752406671 has 8 divisors (see below), whose sum is σ = 185527476864. Its totient is φ = 69572803800.

The previous prime is 121752406603. The next prime is 121752406729. The reversal of 121752406671 is 176604257121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121752406671 - 2⁹ = 121752406159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121752402671) 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, 2898866805 + ... + 2898866846.

It is an arithmetic number, because the mean of its divisors is an integer number (23190934608).

Almost surely, 2^121752406671 is an apocalyptic number.

121752406671 is a deficient number, since it is larger than the sum of its proper divisors (63775070193).

121752406671 is an equidigital number, since it uses as much as digits as its factorization.

121752406671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5797733661.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 121752406671 in words is "one hundred twenty-one billion, seven hundred fifty-two million, four hundred six thousand, six hundred seventy-one".