126216067 has 4 divisors (see below), whose sum is σ = 126696240. Its totient is φ = 125735896.

The previous prime is 126216053. The next prime is 126216089. The reversal of 126216067 is 760612621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 760612621 = 31 ⋅24535891.

It is a cyclic number.

It is not a de Polignac number, because 126216067 - 2¹¹ = 126214019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126216037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239692 + ... + 240217.

It is an arithmetic number, because the mean of its divisors is an integer number (31674060).

Almost surely, 2^126216067 is an apocalyptic number.

126216067 is a deficient number, since it is larger than the sum of its proper divisors (480173).

126216067 is an equidigital number, since it uses as much as digits as its factorization.

126216067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480172.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 126216067 is about 11234.5924269641. The cubic root of 126216067 is about 501.6161928790.

Adding to 126216067 its reverse (760612621), we get a palindrome (886828688).

The spelling of 126216067 in words is "one hundred twenty-six million, two hundred sixteen thousand, sixty-seven".