126505448 has 16 divisors (see below), whose sum is σ = 237767460. Its totient is φ = 63100800.

The previous prime is 126505411. The next prime is 126505469. The reversal of 126505448 is 844505621.

It can be written as a sum of positive squares in 2 ways, for example, as 86081284 + 40424164 = 9278^2 + 6358^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its 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, 15413 + ... + 22148.

Almost surely, 2^126505448 is an apocalyptic number.

It is an amenable number.

126505448 is a deficient number, since it is larger than the sum of its proper divisors (111262012).

126505448 is a wasteful number, since it uses less digits than its factorization.

126505448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37988 (or 37984 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 126505448 is about 11247.4640697359. The cubic root of 126505448 is about 501.9992592699. Note that the first 3 decimals are identical.

The spelling of 126505448 in words is "one hundred twenty-six million, five hundred five thousand, four hundred forty-eight".