126012223 has 2 divisors, whose sum is σ = 126012224. Its totient is φ = 126012222.

The previous prime is 126012197. The next prime is 126012233. The reversal of 126012223 is 322210621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126012223 - 2⁵ = 126012191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126012223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126012233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63006111 + 63006112.

It is an arithmetic number, because the mean of its divisors is an integer number (63006112).

Almost surely, 2^126012223 is an apocalyptic number.

126012223 is a deficient number, since it is larger than the sum of its proper divisors (1).

126012223 is an equidigital number, since it uses as much as digits as its factorization.

126012223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 126012223 is about 11225.5166028116. The cubic root of 126012223 is about 501.3460039619.

Adding to 126012223 its reverse (322210621), we get a palindrome (448222844).

The spelling of 126012223 in words is "one hundred twenty-six million, twelve thousand, two hundred twenty-three".