122718469 has 4 divisors (see below), whose sum is σ = 122826240. Its totient is φ = 122610700.

The previous prime is 122718467. The next prime is 122718481. The reversal of 122718469 is 964817221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 964817221 = 8923 ⋅108127.

It is a cyclic number.

It is not a de Polignac number, because 122718469 - 2¹ = 122718467 is a prime.

It is a super-2 number, since 2×122718469² = 30119645267407922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122718467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52159 + ... + 54460.

It is an arithmetic number, because the mean of its divisors is an integer number (30706560).

Almost surely, 2^122718469 is an apocalyptic number.

It is an amenable number.

122718469 is a deficient number, since it is larger than the sum of its proper divisors (107771).

122718469 is a wasteful number, since it uses less digits than its factorization.

122718469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107770.

The product of its digits is 48384, while the sum is 40.

The square root of 122718469 is about 11077.8368375780. The cubic root of 122718469 is about 496.9392606471.

The spelling of 122718469 in words is "one hundred twenty-two million, seven hundred eighteen thousand, four hundred sixty-nine".