126665341 has 18 divisors (see below), whose sum is σ = 142598078. Its totient is φ = 112398000.

The previous prime is 126665327. The next prime is 126665353. The reversal of 126665341 is 143566621.

It can be written as a sum of positive squares in only one way, i.e., 74753316 + 51912025 = 8646^2 + 7205^2 .

It is not a de Polignac number, because 126665341 - 2¹¹ = 126663293 is a prime.

It is a super-2 number, since 2×126665341² = 32088217221292562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126665297 and 126665306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126660341) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 966846 + ... + 966976.

Almost surely, 2^126665341 is an apocalyptic number.

126665341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126665341 is a deficient number, since it is larger than the sum of its proper divisors (15932737).

126665341 is an equidigital number, since it uses as much as digits as its factorization.

126665341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 203 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 126665341 is about 11254.5697829815. The cubic root of 126665341 is about 502.2106661720.

The spelling of 126665341 in words is "one hundred twenty-six million, six hundred sixty-five thousand, three hundred forty-one".