122547091027 has 2 divisors, whose sum is σ = 122547091028. Its totient is φ = 122547091026.

The previous prime is 122547091019. The next prime is 122547091097. The reversal of 122547091027 is 720190745221.

It is a weak prime.

It is an emirp because it is prime and its reverse (720190745221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122547091027 - 2³ = 122547091019 is a prime.

It is not a weakly prime, because it can be changed into another prime (122547091097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61273545513 + 61273545514.

It is an arithmetic number, because the mean of its divisors is an integer number (61273545514).

Almost surely, 2^122547091027 is an apocalyptic number.

122547091027 is a deficient number, since it is larger than the sum of its proper divisors (1).

122547091027 is an equidigital number, since it uses as much as digits as its factorization.

122547091027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 122547091027 in words is "one hundred twenty-two billion, five hundred forty-seven million, ninety-one thousand, twenty-seven".