126785585 has 8 divisors (see below), whose sum is σ = 152243880. Its totient is φ = 101361024.

The previous prime is 126785563. The next prime is 126785587. The reversal of 126785585 is 585587621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 48427681 + 78357904 = 6959^2 + 8852^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126785585 - 2¹⁰ = 126784561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126785587) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 749 + ... + 15941.

It is an arithmetic number, because the mean of its divisors is an integer number (19030485).

Almost surely, 2^126785585 is an apocalyptic number.

It is an amenable number.

126785585 is a deficient number, since it is larger than the sum of its proper divisors (25458295).

126785585 is a wasteful number, since it uses less digits than its factorization.

126785585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16867.

The product of its digits is 672000, while the sum is 47.

The square root of 126785585 is about 11259.9105236232. The cubic root of 126785585 is about 502.3695328889.

The spelling of 126785585 in words is "one hundred twenty-six million, seven hundred eighty-five thousand, five hundred eighty-five".