122788653997 has 2 divisors, whose sum is σ = 122788653998. Its totient is φ = 122788653996.

The previous prime is 122788653989. The next prime is 122788654007. The reversal of 122788653997 is 799356887221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119868980841 + 2919673156 = 346221^2 + 54034^2 .

It is a cyclic number.

It is not a de Polignac number, because 122788653997 - 2³ = 122788653989 is a prime.

It is a super-3 number, since 3×122788653997³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122788653917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61394326998 + 61394326999.

It is an arithmetic number, because the mean of its divisors is an integer number (61394326999).

Almost surely, 2^122788653997 is an apocalyptic number.

It is an amenable number.

122788653997 is a deficient number, since it is larger than the sum of its proper divisors (1).

122788653997 is an equidigital number, since it uses as much as digits as its factorization.

122788653997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91445760, while the sum is 67.

The spelling of 122788653997 in words is "one hundred twenty-two billion, seven hundred eighty-eight million, six hundred fifty-three thousand, nine hundred ninety-seven".