123020132 has 12 divisors (see below), whose sum is σ = 216064380. Its totient is φ = 61287456.

The previous prime is 123020113. The next prime is 123020167. The reversal of 123020132 is 231020321.

It is a happy number.

123020132 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14318656 + 108701476 = 3784^2 + 10426^2 .

123020132 is strictly pandigital in base 9.

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, 54407 + ... + 56622.

It is an arithmetic number, because the mean of its divisors is an integer number (18005365).

Almost surely, 2^123020132 is an apocalyptic number.

It is an amenable number.

123020132 is a deficient number, since it is larger than the sum of its proper divisors (93044248).

123020132 is a wasteful number, since it uses less digits than its factorization.

123020132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111310 (or 111308 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 123020132 is about 11091.4440899281. Note that the first 3 decimals coincide. The cubic root of 123020132 is about 497.3461147078.

Adding to 123020132 its reverse (231020321), we get a palindrome (354040453).

The spelling of 123020132 in words is "one hundred twenty-three million, twenty thousand, one hundred thirty-two".