123134 has 16 divisors (see below), whose sum is σ = 209520. Its totient is φ = 53760.
The previous prime is 123127. The next prime is 123143. The reversal of 123134 is 431321.
It is a congruent number.
It is an unprimeable number.
123134 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
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 7 ways as a sum of consecutive naturals, for example, 542 + ... + 734.
It is an arithmetic number, because the mean of its divisors is an integer number (13095).
2123134 is an apocalyptic number.
123134 is a deficient number, since it is larger than the sum of its proper divisors (86386).
123134 is a wasteful number, since it uses less digits than its factorization.
123134 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 235.
The product of its digits is 72, while the sum is 14.
The square root of 123134 is about 350.9045454251. The cubic root of 123134 is about 49.7499516005.
Adding to 123134 its reverse (431321), we get a palindrome (554455).
The spelling of 123134 in words is "one hundred twenty-three thousand, one hundred thirty-four".
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