126530611 has 2 divisors, whose sum is σ = 126530612. Its totient is φ = 126530610.

The previous prime is 126530527. The next prime is 126530617. The reversal of 126530611 is 116035621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126530611 - 2⁷ = 126530483 is a prime.

It is not a weakly prime, because it can be changed into another prime (126530617) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63265305 + 63265306.

It is an arithmetic number, because the mean of its divisors is an integer number (63265306).

Almost surely, 2^126530611 is an apocalyptic number.

126530611 is a deficient number, since it is larger than the sum of its proper divisors (1).

126530611 is an equidigital number, since it uses as much as digits as its factorization.

126530611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 126530611 is about 11248.5826218240. The cubic root of 126530611 is about 502.0325410248.

The spelling of 126530611 in words is "one hundred twenty-six million, five hundred thirty thousand, six hundred eleven".