126011147 has 2 divisors, whose sum is σ = 126011148. Its totient is φ = 126011146.

The previous prime is 126011129. The next prime is 126011153. The reversal of 126011147 is 741110621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126011147 - 2⁸ = 126010891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126011117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63005573 + 63005574.

It is an arithmetic number, because the mean of its divisors is an integer number (63005574).

Almost surely, 2^126011147 is an apocalyptic number.

126011147 is a deficient number, since it is larger than the sum of its proper divisors (1).

126011147 is an equidigital number, since it uses as much as digits as its factorization.

126011147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 126011147 is about 11225.4686761845. The cubic root of 126011147 is about 501.3445769843.

Adding to 126011147 its reverse (741110621), we get a palindrome (867121768).

The spelling of 126011147 in words is "one hundred twenty-six million, eleven thousand, one hundred forty-seven".