122719 has 2 divisors, whose sum is σ = 122720. Its totient is φ = 122718.

The previous prime is 122701. The next prime is 122741. The reversal of 122719 is 917221.

It is an a-pointer prime, because the next prime (122741) can be obtained adding 122719 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122719 - 2⁹ = 122207 is a prime.

It is a super-2 number, since 2×122719² = 30119905922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61359 + 61360.

It is an arithmetic number, because the mean of its divisors is an integer number (61360).

2¹²²⁷¹⁹ is an apocalyptic number.

122719 is a deficient number, since it is larger than the sum of its proper divisors (1).

122719 is an equidigital number, since it uses as much as digits as its factorization.

122719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 22.

The square root of 122719 is about 350.3127174397. The cubic root of 122719 is about 49.6939977394.

It can be divided in two parts, 122 and 719, that added together give a square (841 = 29²).

The spelling of 122719 in words is "one hundred twenty-two thousand, seven hundred nineteen".