126170847 has 24 divisors (see below), whose sum is σ = 207462528. Its totient is φ = 73141200.

The previous prime is 126170819. The next prime is 126170857. The reversal of 126170847 is 748071621.

It is not a de Polignac number, because 126170847 - 2⁸ = 126170591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126170857) 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 23 ways as a sum of consecutive naturals, for example, 25429 + ... + 29982.

It is an arithmetic number, because the mean of its divisors is an integer number (8644272).

Almost surely, 2^126170847 is an apocalyptic number.

126170847 is a deficient number, since it is larger than the sum of its proper divisors (81291681).

126170847 is a wasteful number, since it uses less digits than its factorization.

126170847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55451 (or 55448 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 126170847 is about 11232.5797126039. The cubic root of 126170847 is about 501.5562802909.

The spelling of 126170847 in words is "one hundred twenty-six million, one hundred seventy thousand, eight hundred forty-seven".