126505432 has 16 divisors (see below), whose sum is σ = 251150760. Its totient is φ = 59531904.

The previous prime is 126505411. The next prime is 126505469. The reversal of 126505432 is 234505621.

It is a self number, because there is not a number n which added to its sum of digits gives 126505432.

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, 464958 + ... + 465229.

Almost surely, 2^126505432 is an apocalyptic number.

It is an amenable number.

126505432 is a deficient number, since it is larger than the sum of its proper divisors (124645328).

126505432 is a wasteful number, since it uses less digits than its factorization.

126505432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930210 (or 930206 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 126505432 is about 11247.4633584644. The cubic root of 126505432 is about 501.9992381062. Note that the first 3 decimals are identical.

The spelling of 126505432 in words is "one hundred twenty-six million, five hundred five thousand, four hundred thirty-two".