126327765 has 64 divisors (see below), whose sum is σ = 225130752. Its totient is φ = 60211200.

The previous prime is 126327727. The next prime is 126327769. The reversal of 126327765 is 567723621.

It is not a de Polignac number, because 126327765 - 2¹⁵ = 126294997 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126327769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 449425 + ... + 449705.

It is an arithmetic number, because the mean of its divisors is an integer number (3517668).

Almost surely, 2^126327765 is an apocalyptic number.

126327765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126327765 is a deficient number, since it is larger than the sum of its proper divisors (98802987).

126327765 is a wasteful number, since it uses less digits than its factorization.

126327765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390.

The product of its digits is 105840, while the sum is 39.

The square root of 126327765 is about 11239.5624914852. The cubic root of 126327765 is about 501.7641217619.

The spelling of 126327765 in words is "one hundred twenty-six million, three hundred twenty-seven thousand, seven hundred sixty-five".