123107132 has 24 divisors (see below), whose sum is σ = 238031136. Its totient is φ = 55413248.

The previous prime is 123107087. The next prime is 123107161. The reversal of 123107132 is 231701321.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 37793 + ... + 40920.

It is an arithmetic number, because the mean of its divisors is an integer number (9917964).

Almost surely, 2^123107132 is an apocalyptic number.

It is an amenable number.

123107132 is a deficient number, since it is larger than the sum of its proper divisors (114924004).

123107132 is a wasteful number, since it uses less digits than its factorization.

123107132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78757 (or 78755 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 123107132 is about 11095.3653387349. The cubic root of 123107132 is about 497.4633283576.

Adding to 123107132 its reverse (231701321), we get a palindrome (354808453).

The spelling of 123107132 in words is "one hundred twenty-three million, one hundred seven thousand, one hundred thirty-two".