126227215 has 16 divisors (see below), whose sum is σ = 153894528. Its totient is φ = 99380736.

The previous prime is 126227177. The next prime is 126227237. The reversal of 126227215 is 512722621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126227215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 87994 + ... + 89416.

It is an arithmetic number, because the mean of its divisors is an integer number (9618408).

Almost surely, 2^126227215 is an apocalyptic number.

126227215 is a deficient number, since it is larger than the sum of its proper divisors (27667313).

126227215 is a wasteful number, since it uses less digits than its factorization.

126227215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698.

The product of its digits is 3360, while the sum is 28.

The square root of 126227215 is about 11235.0885621788. The cubic root of 126227215 is about 501.6309608158.

Adding to 126227215 its reverse (512722621), we get a palindrome (638949836).

The spelling of 126227215 in words is "one hundred twenty-six million, two hundred twenty-seven thousand, two hundred fifteen".