126916672 has 28 divisors (see below), whose sum is σ = 252295660. Its totient is φ = 63346176.

The previous prime is 126916667. The next prime is 126916681. The reversal of 126916672 is 276619621.

It can be written as a sum of positive squares in 2 ways, for example, as 53231616 + 73685056 = 7296^2 + 8584^2 .

It is a super-2 number, since 2×126916672² = 32215683263111168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43978 + ... + 46774.

Almost surely, 2^126916672 is an apocalyptic number.

It is an amenable number.

126916672 is a deficient number, since it is larger than the sum of its proper divisors (125378988).

126916672 is an equidigital number, since it uses as much as digits as its factorization.

126916672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518 (or 3508 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 126916672 is about 11265.7299807869. The cubic root of 126916672 is about 502.5426110083.

The spelling of 126916672 in words is "one hundred twenty-six million, nine hundred sixteen thousand, six hundred seventy-two".