126543267 has 6 divisors (see below), whose sum is σ = 182784732. Its totient is φ = 84362172.

The previous prime is 126543253. The next prime is 126543283. The reversal of 126543267 is 762345621.

It is not a de Polignac number, because 126543267 - 2⁷ = 126543139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126543247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7030173 + ... + 7030190.

It is an arithmetic number, because the mean of its divisors is an integer number (30464122).

Almost surely, 2^126543267 is an apocalyptic number.

126543267 is a deficient number, since it is larger than the sum of its proper divisors (56241465).

126543267 is a wasteful number, since it uses less digits than its factorization.

126543267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14060369 (or 14060366 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 126543267 is about 11249.1451675227. The cubic root of 126543267 is about 502.0492787717.

Adding to 126543267 its reverse (762345621), we get a palindrome (888888888).

The spelling of 126543267 in words is "one hundred twenty-six million, five hundred forty-three thousand, two hundred sixty-seven".