121765706707 has 2 divisors, whose sum is σ = 121765706708. Its totient is φ = 121765706706.

The previous prime is 121765706701. The next prime is 121765706731. The reversal of 121765706707 is 707607567121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121765706707 - 2³¹ = 119618223059 is a prime.

It is not a weakly prime, because it can be changed into another prime (121765706701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60882853353 + 60882853354.

It is an arithmetic number, because the mean of its divisors is an integer number (60882853354).

Almost surely, 2^121765706707 is an apocalyptic number.

121765706707 is a deficient number, since it is larger than the sum of its proper divisors (1).

121765706707 is an equidigital number, since it uses as much as digits as its factorization.

121765706707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864360, while the sum is 49.

The spelling of 121765706707 in words is "one hundred twenty-one billion, seven hundred sixty-five million, seven hundred six thousand, seven hundred seven".