122669382457 has 2 divisors, whose sum is σ = 122669382458. Its totient is φ = 122669382456.

The previous prime is 122669382439. The next prime is 122669382487. The reversal of 122669382457 is 754283966221.

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., 103419484921 + 19249897536 = 321589^2 + 138744^2 .

It is an emirp because it is prime and its reverse (754283966221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122669382457 - 2¹¹ = 122669380409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122669382398 and 122669382407.

It is not a weakly prime, because it can be changed into another prime (122669382487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61334691228 + 61334691229.

It is an arithmetic number, because the mean of its divisors is an integer number (61334691229).

Almost surely, 2^122669382457 is an apocalyptic number.

It is an amenable number.

122669382457 is a deficient number, since it is larger than the sum of its proper divisors (1).

122669382457 is an equidigital number, since it uses as much as digits as its factorization.

122669382457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 55.

The spelling of 122669382457 in words is "one hundred twenty-two billion, six hundred sixty-nine million, three hundred eighty-two thousand, four hundred fifty-seven".