126710117 has 2 divisors, whose sum is σ = 126710118. Its totient is φ = 126710116.

The previous prime is 126710099. The next prime is 126710119. The reversal of 126710117 is 711017621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81739681 + 44970436 = 9041^2 + 6706^2 .

It is a cyclic number.

It is not a de Polignac number, because 126710117 - 2⁸ = 126709861 is a prime.

Together with 126710119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126710119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63355058 + 63355059.

It is an arithmetic number, because the mean of its divisors is an integer number (63355059).

Almost surely, 2^126710117 is an apocalyptic number.

It is an amenable number.

126710117 is a deficient number, since it is larger than the sum of its proper divisors (1).

126710117 is an equidigital number, since it uses as much as digits as its factorization.

126710117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 26.

The square root of 126710117 is about 11256.5588436253. The cubic root of 126710117 is about 502.2698360955.

Adding to 126710117 its reverse (711017621), we get a palindrome (837727738).

The spelling of 126710117 in words is "one hundred twenty-six million, seven hundred ten thousand, one hundred seventeen".