126216267 has 8 divisors (see below), whose sum is σ = 171463824. Its totient is φ = 82556448.

The previous prime is 126216263. The next prime is 126216269. The reversal of 126216267 is 762612621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126216267 - 2² = 126216263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126216263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396748 + ... + 397065.

It is an arithmetic number, because the mean of its divisors is an integer number (21432978).

Almost surely, 2^126216267 is an apocalyptic number.

126216267 is a deficient number, since it is larger than the sum of its proper divisors (45247557).

126216267 is an equidigital number, since it uses as much as digits as its factorization.

126216267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793869.

The product of its digits is 12096, while the sum is 33.

The square root of 126216267 is about 11234.6013280401. The cubic root of 126216267 is about 501.6164578299.

Adding to 126216267 its reverse (762612621), we get a palindrome (888828888).

The spelling of 126216267 in words is "one hundred twenty-six million, two hundred sixteen thousand, two hundred sixty-seven".