126009677 has 2 divisors, whose sum is σ = 126009678. Its totient is φ = 126009676.

The previous prime is 126009659. The next prime is 126009707. The reversal of 126009677 is 776900621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119486761 + 6522916 = 10931^2 + 2554^2 .

It is a cyclic number.

It is not a de Polignac number, because 126009677 - 2⁸ = 126009421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126009677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126009077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63004838 + 63004839.

It is an arithmetic number, because the mean of its divisors is an integer number (63004839).

Almost surely, 2^126009677 is an apocalyptic number.

It is an amenable number.

126009677 is a deficient number, since it is larger than the sum of its proper divisors (1).

126009677 is an equidigital number, since it uses as much as digits as its factorization.

126009677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 126009677 is about 11225.4031998855. The cubic root of 126009677 is about 501.3426274759.

The spelling of 126009677 in words is "one hundred twenty-six million, nine thousand, six hundred seventy-seven".