122241779927 has 2 divisors, whose sum is σ = 122241779928. Its totient is φ = 122241779926.

The previous prime is 122241779917. The next prime is 122241780053. The reversal of 122241779927 is 729977142221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122241779927 is a prime.

It is a super-2 number, since 2×122241779927² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122241779917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61120889963 + 61120889964.

It is an arithmetic number, because the mean of its divisors is an integer number (61120889964).

Almost surely, 2^122241779927 is an apocalyptic number.

122241779927 is a deficient number, since it is larger than the sum of its proper divisors (1).

122241779927 is an equidigital number, since it uses as much as digits as its factorization.

122241779927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 53.

The spelling of 122241779927 in words is "one hundred twenty-two billion, two hundred forty-one million, seven hundred seventy-nine thousand, nine hundred twenty-seven".