121417209671 has 2 divisors, whose sum is σ = 121417209672. Its totient is φ = 121417209670.

The previous prime is 121417209629. The next prime is 121417209701. The reversal of 121417209671 is 176902714121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121417209671 - 2¹⁸ = 121416947527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121417259671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60708604835 + 60708604836.

It is an arithmetic number, because the mean of its divisors is an integer number (60708604836).

Almost surely, 2^121417209671 is an apocalyptic number.

121417209671 is a deficient number, since it is larger than the sum of its proper divisors (1).

121417209671 is an equidigital number, since it uses as much as digits as its factorization.

121417209671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 41.

The spelling of 121417209671 in words is "one hundred twenty-one billion, four hundred seventeen million, two hundred nine thousand, six hundred seventy-one".