121871070720023 has 2 divisors, whose sum is σ = 121871070720024. Its totient is φ = 121871070720022.

The previous prime is 121871070719989. The next prime is 121871070720041. The reversal of 121871070720023 is 320027070178121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121871070720023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121871070720823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60935535360011 + 60935535360012.

It is an arithmetic number, because the mean of its divisors is an integer number (60935535360012).

Almost surely, 2^{121871070720023} is an apocalyptic number.

121871070720023 is a deficient number, since it is larger than the sum of its proper divisors (1).

121871070720023 is an equidigital number, since it uses as much as digits as its factorization.

121871070720023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 41.

The spelling of 121871070720023 in words is "one hundred twenty-one trillion, eight hundred seventy-one billion, seventy million, seven hundred twenty thousand, twenty-three".