126715808 has 12 divisors (see below), whose sum is σ = 249471810. Its totient is φ = 63357888.

The previous prime is 126715801. The next prime is 126715867. The reversal of 126715808 is 808517621.

It can be written as a sum of positive squares in only one way, i.e., 116035984 + 10679824 = 10772^2 + 3268^2 .

It is not an unprimeable number, because it can be changed into a prime (126715801) by changing a digit.

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 as a sum of consecutive naturals, namely, 1979903 + ... + 1979966.

Almost surely, 2^126715808 is an apocalyptic number.

It is an amenable number.

126715808 is a deficient number, since it is larger than the sum of its proper divisors (122756002).

126715808 is an equidigital number, since it uses as much as digits as its factorization.

126715808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959879 (or 3959871 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 126715808 is about 11256.8116267440. The cubic root of 126715808 is about 502.2773555551.

The spelling of 126715808 in words is "one hundred twenty-six million, seven hundred fifteen thousand, eight hundred eight".