126116069 has 2 divisors, whose sum is σ = 126116070. Its totient is φ = 126116068.

The previous prime is 126116063. The next prime is 126116071. The reversal of 126116069 is 960611621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119093569 + 7022500 = 10913^2 + 2650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126116069 is a prime.

It is a super-2 number, since 2×126116069² = 31810525720025522, which contains 22 as substring.

Together with 126116071, 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 (126116063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63058034 + 63058035.

It is an arithmetic number, because the mean of its divisors is an integer number (63058035).

Almost surely, 2^126116069 is an apocalyptic number.

It is an amenable number.

126116069 is a deficient number, since it is larger than the sum of its proper divisors (1).

126116069 is an equidigital number, since it uses as much as digits as its factorization.

126116069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 126116069 is about 11230.1410943941. The cubic root of 126116069 is about 501.4836850029.

The spelling of 126116069 in words is "one hundred twenty-six million, one hundred sixteen thousand, sixty-nine".