122505124087 has 2 divisors, whose sum is σ = 122505124088. Its totient is φ = 122505124086.

The previous prime is 122505124057. The next prime is 122505124117. The reversal of 122505124087 is 780421505221.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (122505124057) and next prime (122505124117).

It is an emirp because it is prime and its reverse (780421505221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122505124087 - 2¹¹ = 122505122039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122505124057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61252562043 + 61252562044.

It is an arithmetic number, because the mean of its divisors is an integer number (61252562044).

Almost surely, 2^122505124087 is an apocalyptic number.

122505124087 is a deficient number, since it is larger than the sum of its proper divisors (1).

122505124087 is an equidigital number, since it uses as much as digits as its factorization.

122505124087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 37.

The spelling of 122505124087 in words is "one hundred twenty-two billion, five hundred five million, one hundred twenty-four thousand, eighty-seven".