122267777 has 2 divisors, whose sum is σ = 122267778. Its totient is φ = 122267776.

The previous prime is 122267753. The next prime is 122267801. The reversal of 122267777 is 777762221.

It is a balanced prime because it is at equal distance from previous prime (122267753) and next prime (122267801).

It can be written as a sum of positive squares in only one way, i.e., 120318961 + 1948816 = 10969^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 122267777 - 2⁶ = 122267713 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (122267737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61133888 + 61133889.

It is an arithmetic number, because the mean of its divisors is an integer number (61133889).

Almost surely, 2^122267777 is an apocalyptic number.

It is an amenable number.

122267777 is a deficient number, since it is larger than the sum of its proper divisors (1).

122267777 is an equidigital number, since it uses as much as digits as its factorization.

122267777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115248, while the sum is 41.

The square root of 122267777 is about 11057.4760682536. The cubic root of 122267777 is about 496.3301665437.

The spelling of 122267777 in words is "one hundred twenty-two million, two hundred sixty-seven thousand, seven hundred seventy-seven".