126561683 has 2 divisors, whose sum is σ = 126561684. Its totient is φ = 126561682.

The previous prime is 126561661. The next prime is 126561697. The reversal of 126561683 is 386165621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126561683 - 2⁶ = 126561619 is a prime.

It is not a weakly prime, because it can be changed into another prime (126561613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63280841 + 63280842.

It is an arithmetic number, because the mean of its divisors is an integer number (63280842).

Almost surely, 2^126561683 is an apocalyptic number.

126561683 is a deficient number, since it is larger than the sum of its proper divisors (1).

126561683 is an equidigital number, since it uses as much as digits as its factorization.

126561683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 126561683 is about 11249.9636888303. The cubic root of 126561683 is about 502.0736322102.

The spelling of 126561683 in words is "one hundred twenty-six million, five hundred sixty-one thousand, six hundred eighty-three".