126244165 has 8 divisors (see below), whose sum is σ = 152834328. Its totient is φ = 100101120.

The previous prime is 126244141. The next prime is 126244199. The reversal of 126244165 is 561442621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11282881 + 114961284 = 3359^2 + 10722^2 .

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

It is not a de Polignac number, because 126244165 - 2¹¹ = 126242117 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 111156 + ... + 112285.

It is an arithmetic number, because the mean of its divisors is an integer number (19104291).

Almost surely, 2^126244165 is an apocalyptic number.

It is an amenable number.

126244165 is a deficient number, since it is larger than the sum of its proper divisors (26590163).

126244165 is a wasteful number, since it uses less digits than its factorization.

126244165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223559.

The product of its digits is 11520, while the sum is 31.

The square root of 126244165 is about 11235.8428700298. The cubic root of 126244165 is about 501.6534130902.

Adding to 126244165 its reverse (561442621), we get a palindrome (687686786).

The spelling of 126244165 in words is "one hundred twenty-six million, two hundred forty-four thousand, one hundred sixty-five".