126563432 has 16 divisors (see below), whose sum is σ = 237629700. Its totient is φ = 63195520.

The previous prime is 126563407. The next prime is 126563441. The reversal of 126563432 is 234365621.

It can be written as a sum of positive squares in 2 ways, for example, as 123787876 + 2775556 = 11126^2 + 1666^2 .

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, 4307 + ... + 16482.

Almost surely, 2^126563432 is an apocalyptic number.

It is an amenable number.

126563432 is a deficient number, since it is larger than the sum of its proper divisors (111066268).

126563432 is a wasteful number, since it uses less digits than its factorization.

126563432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21556 (or 21552 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 126563432 is about 11250.0414221460. The cubic root of 126563432 is about 502.0759449764.

The spelling of 126563432 in words is "one hundred twenty-six million, five hundred sixty-three thousand, four hundred thirty-two".