126701165 has 4 divisors (see below), whose sum is σ = 152041404. Its totient is φ = 101360928.

The previous prime is 126701149. The next prime is 126701191. The reversal of 126701165 is 561107621.

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 31326409 + 95374756 = 5597^2 + 9766^2 .

It is a cyclic number.

It is not a de Polignac number, because 126701165 - 2⁴ = 126701149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12670112 + ... + 12670121.

It is an arithmetic number, because the mean of its divisors is an integer number (38010351).

Almost surely, 2^126701165 is an apocalyptic number.

It is an amenable number.

126701165 is a deficient number, since it is larger than the sum of its proper divisors (25340239).

126701165 is an equidigital number, since it uses as much as digits as its factorization.

126701165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25340238.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 126701165 is about 11256.1612017597. The cubic root of 126701165 is about 502.2580074544.

Adding to 126701165 its reverse (561107621), we get a palindrome (687808786).

The spelling of 126701165 in words is "one hundred twenty-six million, seven hundred one thousand, one hundred sixty-five".