122605478087 has 2 divisors, whose sum is σ = 122605478088. Its totient is φ = 122605478086.

The previous prime is 122605478003. The next prime is 122605478117. The reversal of 122605478087 is 780874506221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122605478087 - 2¹⁰ = 122605477063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122605478687) 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, 61302739043 + 61302739044.

It is an arithmetic number, because the mean of its divisors is an integer number (61302739044).

Almost surely, 2^122605478087 is an apocalyptic number.

122605478087 is a deficient number, since it is larger than the sum of its proper divisors (1).

122605478087 is an equidigital number, since it uses as much as digits as its factorization.

122605478087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1505280, while the sum is 50.

The spelling of 122605478087 in words is "one hundred twenty-two billion, six hundred five million, four hundred seventy-eight thousand, eighty-seven".