127222247 has 2 divisors, whose sum is σ = 127222248. Its totient is φ = 127222246.

The previous prime is 127222241. The next prime is 127222267. The reversal of 127222247 is 742222721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127222247 - 2¹⁸ = 126960103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127222241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63611123 + 63611124.

It is an arithmetic number, because the mean of its divisors is an integer number (63611124).

Almost surely, 2^127222247 is an apocalyptic number.

127222247 is a deficient number, since it is larger than the sum of its proper divisors (1).

127222247 is an equidigital number, since it uses as much as digits as its factorization.

127222247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 29.

The square root of 127222247 is about 11279.2839755013. The cubic root of 127222247 is about 502.9456087016.

Adding to 127222247 its reverse (742222721), we get a palindrome (869444968).

The spelling of 127222247 in words is "one hundred twenty-seven million, two hundred twenty-two thousand, two hundred forty-seven".