122288736637 has 2 divisors, whose sum is σ = 122288736638. Its totient is φ = 122288736636.

The previous prime is 122288736631. The next prime is 122288736677. The reversal of 122288736637 is 736637882221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117795849796 + 4492886841 = 343214^2 + 67029^2 .

It is a cyclic number.

It is not a de Polignac number, because 122288736637 - 2⁷ = 122288736509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122288736631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61144368318 + 61144368319.

It is an arithmetic number, because the mean of its divisors is an integer number (61144368319).

Almost surely, 2^122288736637 is an apocalyptic number.

It is an amenable number.

122288736637 is a deficient number, since it is larger than the sum of its proper divisors (1).

122288736637 is an equidigital number, since it uses as much as digits as its factorization.

122288736637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 55.

The spelling of 122288736637 in words is "one hundred twenty-two billion, two hundred eighty-eight million, seven hundred thirty-six thousand, six hundred thirty-seven".