122104243 has 4 divisors (see below), whose sum is σ = 122131480. Its totient is φ = 122077008.

The previous prime is 122104237. The next prime is 122104247. The reversal of 122104243 is 342401221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342401221 = 4177 ⋅81973.

It is a cyclic number.

It is not a de Polignac number, because 122104243 - 2⁹ = 122103731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122104243.

It is not an unprimeable number, because it can be changed into a prime (122104247) 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, 5130 + ... + 16447.

It is an arithmetic number, because the mean of its divisors is an integer number (30532870).

Almost surely, 2^122104243 is an apocalyptic number.

122104243 is a deficient number, since it is larger than the sum of its proper divisors (27237).

122104243 is an equidigital number, since it uses as much as digits as its factorization.

122104243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27236.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 122104243 is about 11050.0788684968. The cubic root of 122104243 is about 496.1087861346.

Adding to 122104243 its reverse (342401221), we get a palindrome (464505464).

The spelling of 122104243 in words is "one hundred twenty-two million, one hundred four thousand, two hundred forty-three".