126012227 has 4 divisors (see below), whose sum is σ = 137467896. Its totient is φ = 114556560.

The previous prime is 126012223. The next prime is 126012233. The reversal of 126012227 is 722210621.

It is a happy number.

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 126012227 - 2² = 126012223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126012223) 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, 5727818 + ... + 5727839.

It is an arithmetic number, because the mean of its divisors is an integer number (34366974).

Almost surely, 2^126012227 is an apocalyptic number.

126012227 is a deficient number, since it is larger than the sum of its proper divisors (11455669).

126012227 is a wasteful number, since it uses less digits than its factorization.

126012227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11455668.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 126012227 is about 11225.5167809772. The cubic root of 126012227 is about 501.3460092666.

Adding to 126012227 its reverse (722210621), we get a palindrome (848222848).

The spelling of 126012227 in words is "one hundred twenty-six million, twelve thousand, two hundred twenty-seven".