121752406667 has 8 divisors (see below), whose sum is σ = 123822023280. Its totient is φ = 119682990720.

The previous prime is 121752406603. The next prime is 121752406729. The reversal of 121752406667 is 766604257121.

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 121752406667 - 2⁶ = 121752406603 is a prime.

It is a super-4 number, since 4×121752406667⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121752406967) 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, 1670663 + ... + 1742015.

It is an arithmetic number, because the mean of its divisors is an integer number (15477752910).

Almost surely, 2^121752406667 is an apocalyptic number.

121752406667 is a deficient number, since it is larger than the sum of its proper divisors (2069616613).

121752406667 is an equidigital number, since it uses as much as digits as its factorization.

121752406667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100333.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 121752406667 in words is "one hundred twenty-one billion, seven hundred fifty-two million, four hundred six thousand, six hundred sixty-seven".