126432556 has 12 divisors (see below), whose sum is σ = 226402792. Its totient is φ = 61746048.

The previous prime is 126432521. The next prime is 126432577. The reversal of 126432556 is 655234621.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 367365 + ... + 367708.

Almost surely, 2^126432556 is an apocalyptic number.

It is an amenable number.

126432556 is a deficient number, since it is larger than the sum of its proper divisors (99970236).

126432556 is a wasteful number, since it uses less digits than its factorization.

126432556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735120 (or 735118 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 126432556 is about 11244.2232279513. The cubic root of 126432556 is about 501.9028240021.

The spelling of 126432556 in words is "one hundred twenty-six million, four hundred thirty-two thousand, five hundred fifty-six".