122766423 has 16 divisors (see below), whose sum is σ = 180581856. Its totient is φ = 73704960.

The previous prime is 122766403. The next prime is 122766431. The reversal of 122766423 is 324667221.

It is not a de Polignac number, because 122766423 - 2⁸ = 122766167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122766403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36790 + ... + 39987.

It is an arithmetic number, because the mean of its divisors is an integer number (11286366).

Almost surely, 2^122766423 is an apocalyptic number.

122766423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122766423 is a deficient number, since it is larger than the sum of its proper divisors (57815433).

122766423 is a wasteful number, since it uses less digits than its factorization.

122766423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76834.

The product of its digits is 24192, while the sum is 33.

The square root of 122766423 is about 11080.0010379061. The cubic root of 122766423 is about 497.0039809297.

The spelling of 122766423 in words is "one hundred twenty-two million, seven hundred sixty-six thousand, four hundred twenty-three".