126686953 has 2 divisors, whose sum is σ = 126686954. Its totient is φ = 126686952.

The previous prime is 126686909. The next prime is 126686971. The reversal of 126686953 is 359686621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78287104 + 48399849 = 8848^2 + 6957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126686953 is a prime.

It is not a weakly prime, because it can be changed into another prime (126686453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63343476 + 63343477.

It is an arithmetic number, because the mean of its divisors is an integer number (63343477).

Almost surely, 2^126686953 is an apocalyptic number.

It is an amenable number.

126686953 is a deficient number, since it is larger than the sum of its proper divisors (1).

126686953 is an equidigital number, since it uses as much as digits as its factorization.

126686953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 46.

The square root of 126686953 is about 11255.5298853497. The cubic root of 126686953 is about 502.2392274174.

The spelling of 126686953 in words is "one hundred twenty-six million, six hundred eighty-six thousand, nine hundred fifty-three".