126268187 has 2 divisors, whose sum is σ = 126268188. Its totient is φ = 126268186.

The previous prime is 126268159. The next prime is 126268189. The reversal of 126268187 is 781862621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126268187 - 2¹⁴ = 126251803 is a prime.

Together with 126268189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126268189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63134093 + 63134094.

It is an arithmetic number, because the mean of its divisors is an integer number (63134094).

Almost surely, 2^126268187 is an apocalyptic number.

126268187 is a deficient number, since it is larger than the sum of its proper divisors (1).

126268187 is an equidigital number, since it uses as much as digits as its factorization.

126268187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 41.

The square root of 126268187 is about 11236.9118088557. The cubic root of 126268187 is about 501.6852296208.

The spelling of 126268187 in words is "one hundred twenty-six million, two hundred sixty-eight thousand, one hundred eighty-seven".