126182849 has 4 divisors (see below), whose sum is σ = 135889236. Its totient is φ = 116476464.

The previous prime is 126182767. The next prime is 126182851. The reversal of 126182849 is 948281621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8850625 + 117332224 = 2975^2 + 10832^2 .

It is not a de Polignac number, because 126182849 - 2⁸ = 126182593 is a prime.

It is a super-2 number, since 2×126182849² = 31844222763513602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126182149) 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 3 ways as a sum of consecutive naturals, for example, 4853174 + ... + 4853199.

It is an arithmetic number, because the mean of its divisors is an integer number (33972309).

Almost surely, 2^126182849 is an apocalyptic number.

It is an amenable number.

126182849 is a deficient number, since it is larger than the sum of its proper divisors (9706387).

126182849 is an equidigital number, since it uses as much as digits as its factorization.

126182849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9706386.

The product of its digits is 55296, while the sum is 41.

The square root of 126182849 is about 11233.1139493909. The cubic root of 126182849 is about 501.5721832979.

The spelling of 126182849 in words is "one hundred twenty-six million, one hundred eighty-two thousand, eight hundred forty-nine".