122547440227 has 2 divisors, whose sum is σ = 122547440228. Its totient is φ = 122547440226.

The previous prime is 122547440221. The next prime is 122547440243. The reversal of 122547440227 is 722044745221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122547440227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122547440227.

It is not a weakly prime, because it can be changed into another prime (122547440221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61273720113 + 61273720114.

It is an arithmetic number, because the mean of its divisors is an integer number (61273720114).

Almost surely, 2^122547440227 is an apocalyptic number.

122547440227 is a deficient number, since it is larger than the sum of its proper divisors (1).

122547440227 is an equidigital number, since it uses as much as digits as its factorization.

122547440227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250880, while the sum is 40.

The spelling of 122547440227 in words is "one hundred twenty-two billion, five hundred forty-seven million, four hundred forty thousand, two hundred twenty-seven".