122727247 has 2 divisors, whose sum is σ = 122727248. Its totient is φ = 122727246.

The previous prime is 122727239. The next prime is 122727271. The reversal of 122727247 is 742727221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122727247 - 2³ = 122727239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122727347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61363623 + 61363624.

It is an arithmetic number, because the mean of its divisors is an integer number (61363624).

Almost surely, 2^122727247 is an apocalyptic number.

122727247 is a deficient number, since it is larger than the sum of its proper divisors (1).

122727247 is an equidigital number, since it uses as much as digits as its factorization.

122727247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21952, while the sum is 34.

The square root of 122727247 is about 11078.2330269768. The cubic root of 122727247 is about 496.9511089827.

The spelling of 122727247 in words is "one hundred twenty-two million, seven hundred twenty-seven thousand, two hundred forty-seven".