126730696 has 16 divisors (see below), whose sum is σ = 245814300. Its totient is φ = 61180224.

The previous prime is 126730679. The next prime is 126730717. The reversal of 126730696 is 696037621.

It can be written as a sum of positive squares in 2 ways, for example, as 126112900 + 617796 = 11230^2 + 786^2 .

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, 272895 + ... + 273358.

Almost surely, 2^126730696 is an apocalyptic number.

It is an amenable number.

126730696 is a deficient number, since it is larger than the sum of its proper divisors (119083604).

126730696 is a wasteful number, since it uses less digits than its factorization.

126730696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546288 (or 546284 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 126730696 is about 11257.4728958146. The cubic root of 126730696 is about 502.2970258513.

The spelling of 126730696 in words is "one hundred twenty-six million, seven hundred thirty thousand, six hundred ninety-six".