126655223 has 4 divisors (see below), whose sum is σ = 126877608. Its totient is φ = 126432840.

The previous prime is 126655201. The next prime is 126655231. The reversal of 126655223 is 322556621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322556621 = 71 ⋅4543051.

It is a cyclic number.

It is not a de Polignac number, because 126655223 - 2⁸ = 126654967 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 126655223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126658223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110336 + ... + 111477.

It is an arithmetic number, because the mean of its divisors is an integer number (31719402).

Almost surely, 2^126655223 is an apocalyptic number.

126655223 is a deficient number, since it is larger than the sum of its proper divisors (222385).

126655223 is an equidigital number, since it uses as much as digits as its factorization.

126655223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222384.

The product of its digits is 21600, while the sum is 32.

The square root of 126655223 is about 11254.1202677064. The cubic root of 126655223 is about 502.1972936562.

The spelling of 126655223 in words is "one hundred twenty-six million, six hundred fifty-five thousand, two hundred twenty-three".