126143267 has 4 divisors (see below), whose sum is σ = 126248136. Its totient is φ = 126038400.

The previous prime is 126143231. The next prime is 126143273. The reversal of 126143267 is 762341621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126143267 - 2⁶ = 126143203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126143207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50609 + ... + 53042.

It is an arithmetic number, because the mean of its divisors is an integer number (31562034).

Almost surely, 2^126143267 is an apocalyptic number.

126143267 is a deficient number, since it is larger than the sum of its proper divisors (104869).

126143267 is a wasteful number, since it uses less digits than its factorization.

126143267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104868.

The product of its digits is 12096, while the sum is 32.

The square root of 126143267 is about 11231.3519667046. The cubic root of 126143267 is about 501.5197321485.

Adding to 126143267 its reverse (762341621), we get a palindrome (888484888).

The spelling of 126143267 in words is "one hundred twenty-six million, one hundred forty-three thousand, two hundred sixty-seven".