126506504 has 16 divisors (see below), whose sum is σ = 237323520. Its totient is φ = 63220240.

The previous prime is 126506491. The next prime is 126506521. The reversal of 126506504 is 405605621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21569 + ... + 26799.

It is an arithmetic number, because the mean of its divisors is an integer number (14832720).

Almost surely, 2^126506504 is an apocalyptic number.

It is an amenable number.

126506504 is a deficient number, since it is larger than the sum of its proper divisors (110817016).

126506504 is a wasteful number, since it uses less digits than its factorization.

126506504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8260 (or 8256 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 126506504 is about 11247.5110135532. The cubic root of 126506504 is about 502.0006560734. Note that the first 3 decimals are identical.

The spelling of 126506504 in words is "one hundred twenty-six million, five hundred six thousand, five hundred four".