126768725 has 12 divisors (see below), whose sum is σ = 159409440. Its totient is φ = 99985200.

The previous prime is 126768721. The next prime is 126768749. The reversal of 126768725 is 527867621.

It is not a de Polignac number, because 126768725 - 2² = 126768721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126768721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33935 + ... + 37484.

It is an arithmetic number, because the mean of its divisors is an integer number (13284120).

Almost surely, 2^126768725 is an apocalyptic number.

It is an amenable number.

126768725 is a deficient number, since it is larger than the sum of its proper divisors (32640715).

126768725 is an equidigital number, since it uses as much as digits as its factorization.

126768725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71500 (or 71495 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 126768725 is about 11259.1618249317. The cubic root of 126768725 is about 502.3472634650.

The spelling of 126768725 in words is "one hundred twenty-six million, seven hundred sixty-eight thousand, seven hundred twenty-five".