126604447 has 2 divisors, whose sum is σ = 126604448. Its totient is φ = 126604446.

The previous prime is 126604441. The next prime is 126604451. The reversal of 126604447 is 744406621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126604447 - 2⁷ = 126604319 is a prime.

It is equal to p_7196263 and since 126604447 and 7196263 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126604441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63302223 + 63302224.

It is an arithmetic number, because the mean of its divisors is an integer number (63302224).

Almost surely, 2^126604447 is an apocalyptic number.

126604447 is a deficient number, since it is larger than the sum of its proper divisors (1).

126604447 is an equidigital number, since it uses as much as digits as its factorization.

126604447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 126604447 is about 11251.8641566631. The cubic root of 126604447 is about 502.1301744920.

The spelling of 126604447 in words is "one hundred twenty-six million, six hundred four thousand, four hundred forty-seven".