122660510087 has 2 divisors, whose sum is σ = 122660510088. Its totient is φ = 122660510086.

The previous prime is 122660510083. The next prime is 122660510143. The reversal of 122660510087 is 780015066221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122660510087 - 2² = 122660510083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122660510087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122660510083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61330255043 + 61330255044.

It is an arithmetic number, because the mean of its divisors is an integer number (61330255044).

Almost surely, 2^122660510087 is an apocalyptic number.

122660510087 is a deficient number, since it is larger than the sum of its proper divisors (1).

122660510087 is an equidigital number, since it uses as much as digits as its factorization.

122660510087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 122660510087 in words is "one hundred twenty-two billion, six hundred sixty million, five hundred ten thousand, eighty-seven".