126969677 has 2 divisors, whose sum is σ = 126969678. Its totient is φ = 126969676.

The previous prime is 126969673. The next prime is 126969679. The reversal of 126969677 is 776969621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64464841 + 62504836 = 8029^2 + 7906^2 .

It is an emirp because it is prime and its reverse (776969621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126969677 - 2² = 126969673 is a prime.

It is a super-3 number, since 3×126969677³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 126969679, 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 (126969671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63484838 + 63484839.

It is an arithmetic number, because the mean of its divisors is an integer number (63484839).

Almost surely, 2^126969677 is an apocalyptic number.

It is an amenable number.

126969677 is a deficient number, since it is larger than the sum of its proper divisors (1).

126969677 is an equidigital number, since it uses as much as digits as its factorization.

126969677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 53.

The square root of 126969677 is about 11268.0822236972. The cubic root of 126969677 is about 502.6125612712.

The spelling of 126969677 in words is "one hundred twenty-six million, nine hundred sixty-nine thousand, six hundred seventy-seven".