122039969687 has 2 divisors, whose sum is σ = 122039969688. Its totient is φ = 122039969686.

The previous prime is 122039969677. The next prime is 122039969713. The reversal of 122039969687 is 786969930221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122039969687 - 2⁴ = 122039969671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122039969677) 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, 61019984843 + 61019984844.

It is an arithmetic number, because the mean of its divisors is an integer number (61019984844).

Almost surely, 2^122039969687 is an apocalyptic number.

122039969687 is a deficient number, since it is larger than the sum of its proper divisors (1).

122039969687 is an equidigital number, since it uses as much as digits as its factorization.

122039969687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17635968, while the sum is 62.

The spelling of 122039969687 in words is "one hundred twenty-two billion, thirty-nine million, nine hundred sixty-nine thousand, six hundred eighty-seven".