123412132 has 12 divisors (see below), whose sum is σ = 221239116. Its totient is φ = 60200960.

The previous prime is 123412127. The next prime is 123412169. The reversal of 123412132 is 231214321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62821476 + 60590656 = 7926^2 + 7784^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376093 + ... + 376420.

It is an arithmetic number, because the mean of its divisors is an integer number (18436593).

Almost surely, 2^123412132 is an apocalyptic number.

It is an amenable number.

123412132 is a deficient number, since it is larger than the sum of its proper divisors (97826984).

123412132 is a wasteful number, since it uses less digits than its factorization.

123412132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752558 (or 752556 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 123412132 is about 11109.1013137877. The cubic root of 123412132 is about 497.8738141498.

Adding to 123412132 its reverse (231214321), we get a palindrome (354626453).

It can be divided in two parts, 1234 and 12132, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 123412132 in words is "one hundred twenty-three million, four hundred twelve thousand, one hundred thirty-two".