126546811 has 2 divisors, whose sum is σ = 126546812. Its totient is φ = 126546810.

The previous prime is 126546803. The next prime is 126546817. The reversal of 126546811 is 118645621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126546811 - 2³ = 126546803 is a prime.

It is equal to p_7193149 and since 126546811 and 7193149 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (126546817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63273405 + 63273406.

It is an arithmetic number, because the mean of its divisors is an integer number (63273406).

Almost surely, 2^126546811 is an apocalyptic number.

126546811 is a deficient number, since it is larger than the sum of its proper divisors (1).

126546811 is an equidigital number, since it uses as much as digits as its factorization.

126546811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 34.

The square root of 126546811 is about 11249.3026895004. The cubic root of 126546811 is about 502.0539655640.

The spelling of 126546811 in words is "one hundred twenty-six million, five hundred forty-six thousand, eight hundred eleven".