126166785 has 8 divisors (see below), whose sum is σ = 201866880. Its totient is φ = 67288944.

The previous prime is 126166759. The next prime is 126166801. The reversal of 126166785 is 587661621.

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

It is not a de Polignac number, because 126166785 - 2⁸ = 126166529 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4205545 + ... + 4205574.

It is an arithmetic number, because the mean of its divisors is an integer number (25233360).

Almost surely, 2^126166785 is an apocalyptic number.

126166785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126166785 is a deficient number, since it is larger than the sum of its proper divisors (75700095).

126166785 is an equidigital number, since it uses as much as digits as its factorization.

126166785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8411127.

The product of its digits is 120960, while the sum is 42.

The square root of 126166785 is about 11232.3988978312. The cubic root of 126166785 is about 501.5508977916.

The spelling of 126166785 in words is "one hundred twenty-six million, one hundred sixty-six thousand, seven hundred eighty-five".