126056291 has 2 divisors, whose sum is σ = 126056292. Its totient is φ = 126056290.

The previous prime is 126056269. The next prime is 126056339. The reversal of 126056291 is 192650621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126056291 - 2¹⁸ = 125794147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126056201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63028145 + 63028146.

It is an arithmetic number, because the mean of its divisors is an integer number (63028146).

Almost surely, 2^126056291 is an apocalyptic number.

126056291 is a deficient number, since it is larger than the sum of its proper divisors (1).

126056291 is an equidigital number, since it uses as much as digits as its factorization.

126056291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 126056291 is about 11227.4792807647. The cubic root of 126056291 is about 501.4044394063.

The spelling of 126056291 in words is "one hundred twenty-six million, fifty-six thousand, two hundred ninety-one".