122938369 has 4 divisors (see below), whose sum is σ = 123157296. Its totient is φ = 122719444.

The previous prime is 122938357. The next prime is 122938397. The reversal of 122938369 is 963839221.

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: 963839221 = 73 ⋅13203277.

It is a cyclic number.

It is not a de Polignac number, because 122938369 - 2¹⁹ = 122414081 is a prime.

It is a super-2 number, since 2×122938369² = 30227685144760322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122938069) 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, 108619 + ... + 109744.

It is an arithmetic number, because the mean of its divisors is an integer number (30789324).

Almost surely, 2^122938369 is an apocalyptic number.

It is an amenable number.

122938369 is a deficient number, since it is larger than the sum of its proper divisors (218927).

122938369 is an equidigital number, since it uses as much as digits as its factorization.

122938369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218926.

The product of its digits is 139968, while the sum is 43.

The square root of 122938369 is about 11087.7576182022. The cubic root of 122938369 is about 497.2359063975.

The spelling of 122938369 in words is "one hundred twenty-two million, nine hundred thirty-eight thousand, three hundred sixty-nine".