126191227 has 2 divisors, whose sum is σ = 126191228. Its totient is φ = 126191226.

The previous prime is 126191213. The next prime is 126191237. The reversal of 126191227 is 722191621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126191227 - 2¹⁹ = 125666939 is a prime.

It is not a weakly prime, because it can be changed into another prime (126191237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63095613 + 63095614.

It is an arithmetic number, because the mean of its divisors is an integer number (63095614).

Almost surely, 2^126191227 is an apocalyptic number.

126191227 is a deficient number, since it is larger than the sum of its proper divisors (1).

126191227 is an equidigital number, since it uses as much as digits as its factorization.

126191227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 31.

The square root of 126191227 is about 11233.4868584959. The cubic root of 126191227 is about 501.5832837995.

The spelling of 126191227 in words is "one hundred twenty-six million, one hundred ninety-one thousand, two hundred twenty-seven".