122703657173 has 2 divisors, whose sum is σ = 122703657174. Its totient is φ = 122703657172.

The previous prime is 122703657149. The next prime is 122703657253. The reversal of 122703657173 is 371756307221.

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., 78398880004 + 44304777169 = 279998^2 + 210487^2 .

It is a cyclic number.

It is not a de Polignac number, because 122703657173 - 2⁸ = 122703656917 is a prime.

It is a super-2 number, since 2×122703657173² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122703657473) 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, 61351828586 + 61351828587.

It is an arithmetic number, because the mean of its divisors is an integer number (61351828587).

Almost surely, 2^122703657173 is an apocalyptic number.

It is an amenable number.

122703657173 is a deficient number, since it is larger than the sum of its proper divisors (1).

122703657173 is an equidigital number, since it uses as much as digits as its factorization.

122703657173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 370440, while the sum is 44.

The spelling of 122703657173 in words is "one hundred twenty-two billion, seven hundred three million, six hundred fifty-seven thousand, one hundred seventy-three".