122279123 has 4 divisors (see below), whose sum is σ = 123827040. Its totient is φ = 120731208.

The previous prime is 122279089. The next prime is 122279141. The reversal of 122279123 is 321972221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321972221 = 41 ⋅7852981.

It is a cyclic number.

It is not a de Polignac number, because 122279123 - 2¹⁶ = 122213587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122275123) 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, 773840 + ... + 773997.

It is an arithmetic number, because the mean of its divisors is an integer number (30956760).

Almost surely, 2^122279123 is an apocalyptic number.

122279123 is a deficient number, since it is larger than the sum of its proper divisors (1547917).

122279123 is an equidigital number, since it uses as much as digits as its factorization.

122279123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547916.

The product of its digits is 3024, while the sum is 29.

The square root of 122279123 is about 11057.9891029065. The cubic root of 122279123 is about 496.3455186068.

The spelling of 122279123 in words is "one hundred twenty-two million, two hundred seventy-nine thousand, one hundred twenty-three".