123208134 has 32 divisors (see below), whose sum is σ = 283067136. Its totient is φ = 35021280.

The previous prime is 123208133. The next prime is 123208147. The reversal of 123208134 is 431802321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123208133) 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 15 ways as a sum of consecutive naturals, for example, 829 + ... + 15719.

It is an arithmetic number, because the mean of its divisors is an integer number (8845848).

Almost surely, 2^123208134 is an apocalyptic number.

123208134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123208134 is an abundant number, since it is smaller than the sum of its proper divisors (159859002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123208134 is a wasteful number, since it uses less digits than its factorization.

123208134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15100.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 123208134 is about 11099.9159456277. The cubic root of 123208134 is about 497.5993374189.

The spelling of 123208134 in words is "one hundred twenty-three million, two hundred eight thousand, one hundred thirty-four".