122054111 has 2 divisors, whose sum is σ = 122054112. Its totient is φ = 122054110.

The previous prime is 122054059. The next prime is 122054113. The reversal of 122054111 is 111450221.

It is a strong prime.

It is an emirp because it is prime and its reverse (111450221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122054111 is a prime.

Together with 122054113, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122054111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122054113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61027055 + 61027056.

It is an arithmetic number, because the mean of its divisors is an integer number (61027056).

Almost surely, 2^122054111 is an apocalyptic number.

122054111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122054111 is an equidigital number, since it uses as much as digits as its factorization.

122054111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 122054111 is about 11047.8102355173. The cubic root of 122054111 is about 496.0408815051.

The spelling of 122054111 in words is "one hundred twenty-two million, fifty-four thousand, one hundred eleven".