126056239 has 2 divisors, whose sum is σ = 126056240. Its totient is φ = 126056238.

The previous prime is 126056233. The next prime is 126056251. The reversal of 126056239 is 932650621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126056239 - 2⁷ = 126056111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126056233) 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, 63028119 + 63028120.

It is an arithmetic number, because the mean of its divisors is an integer number (63028120).

Almost surely, 2^126056239 is an apocalyptic number.

126056239 is a deficient number, since it is larger than the sum of its proper divisors (1).

126056239 is an equidigital number, since it uses as much as digits as its factorization.

126056239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 126056239 is about 11227.4769650176. The cubic root of 126056239 is about 501.4043704608.

The spelling of 126056239 in words is "one hundred twenty-six million, fifty-six thousand, two hundred thirty-nine".