123130132 has 12 divisors (see below), whose sum is σ = 224846496. Its totient is φ = 58888280.

The previous prime is 123130129. The next prime is 123130141. The reversal of 123130132 is 231031321.

It is a super-2 number, since 2×123130132² = 30322058812674848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 669094 + ... + 669277.

It is an arithmetic number, because the mean of its divisors is an integer number (18737208).

Almost surely, 2^123130132 is an apocalyptic number.

It is an amenable number.

123130132 is a deficient number, since it is larger than the sum of its proper divisors (101716364).

123130132 is a wasteful number, since it uses less digits than its factorization.

123130132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338398 (or 1338396 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 123130132 is about 11096.4017591289. The cubic root of 123130132 is about 497.4943066443.

Adding to 123130132 its reverse (231031321), we get a palindrome (354161453).

The spelling of 123130132 in words is "one hundred twenty-three million, one hundred thirty thousand, one hundred thirty-two".