123500132 has 12 divisors (see below), whose sum is σ = 247000320. Its totient is φ = 52928616.

The previous prime is 123500131. The next prime is 123500141. The reversal of 123500132 is 231005321.

123500132 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 123500132.

It is not an unprimeable number, because it can be changed into a prime (123500131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2205332 + ... + 2205387.

It is an arithmetic number, because the mean of its divisors is an integer number (20583360).

Almost surely, 2^123500132 is an apocalyptic number.

It is an amenable number.

123500132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123500132 is a wasteful number, since it uses less digits than its factorization.

123500132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4410730 (or 4410728 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 123500132 is about 11113.0613244056. The cubic root of 123500132 is about 497.9921236584.

Adding to 123500132 its reverse (231005321), we get a palindrome (354505453).

The spelling of 123500132 in words is "one hundred twenty-three million, five hundred thousand, one hundred thirty-two".