123112532 has 12 divisors (see below), whose sum is σ = 222397056. Its totient is φ = 59570520.

The previous prime is 123112519. The next prime is 123112559. The reversal of 123112532 is 235211321.

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, 496298 + ... + 496545.

It is an arithmetic number, because the mean of its divisors is an integer number (18533088).

Almost surely, 2^123112532 is an apocalyptic number.

It is an amenable number.

123112532 is a deficient number, since it is larger than the sum of its proper divisors (99284524).

123112532 is a wasteful number, since it uses less digits than its factorization.

123112532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992878 (or 992876 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 123112532 is about 11095.6086809152. The cubic root of 123112532 is about 497.4706018671.

Adding to 123112532 its reverse (235211321), we get a palindrome (358323853).

The spelling of 123112532 in words is "one hundred twenty-three million, one hundred twelve thousand, five hundred thirty-two".