126344165 has 8 divisors (see below), whose sum is σ = 155311128. Its totient is φ = 98609920.

The previous prime is 126344161. The next prime is 126344173. The reversal of 126344165 is 561443621.

It can be written as a sum of positive squares in 4 ways, for example, as 3378244 + 122965921 = 1838^2 + 11089^2 .

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

It is not a de Polignac number, because 126344165 - 2² = 126344161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126344161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307952 + ... + 308361.

It is an arithmetic number, because the mean of its divisors is an integer number (19413891).

Almost surely, 2^126344165 is an apocalyptic number.

It is an amenable number.

126344165 is a deficient number, since it is larger than the sum of its proper divisors (28966963).

126344165 is an equidigital number, since it uses as much as digits as its factorization.

126344165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616359.

The product of its digits is 17280, while the sum is 32.

The square root of 126344165 is about 11240.2920335728. The cubic root of 126344165 is about 501.7858340000.

Adding to 126344165 its reverse (561443621), we get a palindrome (687787786).

The spelling of 126344165 in words is "one hundred twenty-six million, three hundred forty-four thousand, one hundred sixty-five".