123826826 has 16 divisors (see below), whose sum is σ = 188020224. Its totient is φ = 61158384.

The previous prime is 123826823. The next prime is 123826831. The reversal of 123826826 is 628628321.

It is a self number, because there is not a number n which added to its sum of digits gives 123826826.

It is not an unprimeable number, because it can be changed into a prime (123826823) 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 7 ways as a sum of consecutive naturals, for example, 56711 + ... + 58853.

It is an arithmetic number, because the mean of its divisors is an integer number (11751264).

Almost surely, 2^123826826 is an apocalyptic number.

123826826 is a deficient number, since it is larger than the sum of its proper divisors (64193398).

123826826 is a wasteful number, since it uses less digits than its factorization.

123826826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485.

The product of its digits is 55296, while the sum is 38.

The square root of 123826826 is about 11127.7502667880. The cubic root of 123826826 is about 498.4308486798.

The spelling of 123826826 in words is "one hundred twenty-three million, eight hundred twenty-six thousand, eight hundred twenty-six".