26220123 has 6 divisors (see below), whose sum is σ = 37873524. Its totient is φ = 17480076.

The previous prime is 26220119. The next prime is 26220157. The reversal of 26220123 is 32102262.

It is not a de Polignac number, because 26220123 - 2² = 26220119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26220096 and 26220105.

It is not an unprimeable number, because it can be changed into a prime (26220113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1456665 + ... + 1456682.

It is an arithmetic number, because the mean of its divisors is an integer number (6312254).

Almost surely, 2^26220123 is an apocalyptic number.

26220123 is a deficient number, since it is larger than the sum of its proper divisors (11653401).

26220123 is a wasteful number, since it uses less digits than its factorization.

26220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913353 (or 2913350 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 26220123 is about 5120.5588562187. The cubic root of 26220123 is about 297.0833014645.

Adding to 26220123 its reverse (32102262), we get a palindrome (58322385).

The spelling of 26220123 in words is "twenty-six million, two hundred twenty thousand, one hundred twenty-three".