121626417671 has 8 divisors (see below), whose sum is σ = 132689209104. Its totient is φ = 110564600320.

The previous prime is 121626417641. The next prime is 121626417673. The reversal of 121626417671 is 176714626121.

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 121626417671 - 2²⁶ = 121559308807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121626417673) 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, 31025 + ... + 494181.

It is an arithmetic number, because the mean of its divisors is an integer number (16586151138).

Almost surely, 2^121626417671 is an apocalyptic number.

121626417671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121626417671 is a deficient number, since it is larger than the sum of its proper divisors (11062791433).

121626417671 is a wasteful number, since it uses less digits than its factorization.

121626417671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487041.

The product of its digits is 169344, while the sum is 44.

The spelling of 121626417671 in words is "one hundred twenty-one billion, six hundred twenty-six million, four hundred seventeen thousand, six hundred seventy-one".