126698171 has 2 divisors, whose sum is σ = 126698172. Its totient is φ = 126698170.

The previous prime is 126698153. The next prime is 126698203. The reversal of 126698171 is 171896621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126698171 - 2¹⁴ = 126681787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (126698111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63349085 + 63349086.

It is an arithmetic number, because the mean of its divisors is an integer number (63349086).

Almost surely, 2^126698171 is an apocalyptic number.

126698171 is a deficient number, since it is larger than the sum of its proper divisors (1).

126698171 is an equidigital number, since it uses as much as digits as its factorization.

126698171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 41.

The square root of 126698171 is about 11256.0282071431. The cubic root of 126698171 is about 502.2540512364.

The spelling of 126698171 in words is "one hundred twenty-six million, six hundred ninety-eight thousand, one hundred seventy-one".