122260777 has 2 divisors, whose sum is σ = 122260778. Its totient is φ = 122260776.

The previous prime is 122260757. The next prime is 122260783. The reversal of 122260777 is 777062221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113827561 + 8433216 = 10669^2 + 2904^2 .

It is a cyclic number.

It is not a de Polignac number, because 122260777 - 2¹¹ = 122258729 is a prime.

It is not a weakly prime, because it can be changed into another prime (122260717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61130388 + 61130389.

It is an arithmetic number, because the mean of its divisors is an integer number (61130389).

Almost surely, 2^122260777 is an apocalyptic number.

It is an amenable number.

122260777 is a deficient number, since it is larger than the sum of its proper divisors (1).

122260777 is an equidigital number, since it uses as much as digits as its factorization.

122260777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 122260777 is about 11057.1595357940. The cubic root of 122260777 is about 496.3206944992.

The spelling of 122260777 in words is "one hundred twenty-two million, two hundred sixty thousand, seven hundred seventy-seven".