126427805 has 32 divisors (see below), whose sum is σ = 187004160. Its totient is φ = 80110080.

The previous prime is 126427799. The next prime is 126427813. The reversal of 126427805 is 508724621.

It is not a de Polignac number, because 126427805 - 2¹⁴ = 126411421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 24947 + ... + 29583.

It is an arithmetic number, because the mean of its divisors is an integer number (5843880).

Almost surely, 2^126427805 is an apocalyptic number.

It is an amenable number.

126427805 is a deficient number, since it is larger than the sum of its proper divisors (60576355).

126427805 is a wasteful number, since it uses less digits than its factorization.

126427805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4709.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 126427805 is about 11244.0119619289. The cubic root of 126427805 is about 501.8965371979.

The spelling of 126427805 in words is "one hundred twenty-six million, four hundred twenty-seven thousand, eight hundred five".