126863677 has 2 divisors, whose sum is σ = 126863678. Its totient is φ = 126863676.

The previous prime is 126863663. The next prime is 126863743. The reversal of 126863677 is 776368621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126765081 + 98596 = 11259^2 + 314^2 .

It is a cyclic number.

It is not a de Polignac number, because 126863677 - 2²³ = 118475069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126863617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63431838 + 63431839.

It is an arithmetic number, because the mean of its divisors is an integer number (63431839).

Almost surely, 2^126863677 is an apocalyptic number.

It is an amenable number.

126863677 is a deficient number, since it is larger than the sum of its proper divisors (1).

126863677 is an equidigital number, since it uses as much as digits as its factorization.

126863677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 126863677 is about 11263.3776905509. The cubic root of 126863677 is about 502.4726544693.

The spelling of 126863677 in words is "one hundred twenty-six million, eight hundred sixty-three thousand, six hundred seventy-seven".