826123055 has 4 divisors (see below), whose sum is σ = 991347672. Its totient is φ = 660898440.

The previous prime is 826123049. The next prime is 826123057. The reversal of 826123055 is 550321628.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 826123055 - 2⁶ = 826122991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826123057) 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, 82612301 + ... + 82612310.

It is an arithmetic number, because the mean of its divisors is an integer number (247836918).

Almost surely, 2^826123055 is an apocalyptic number.

826123055 is a deficient number, since it is larger than the sum of its proper divisors (165224617).

826123055 is a wasteful number, since it uses less digits than its factorization.

826123055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165224616.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 826123055 is about 28742.3564621970. The cubic root of 826123055 is about 938.3141107303.

The spelling of 826123055 in words is "eight hundred twenty-six million, one hundred twenty-three thousand, fifty-five".