122077771 has 2 divisors, whose sum is σ = 122077772. Its totient is φ = 122077770.

The previous prime is 122077741. The next prime is 122077777. The reversal of 122077771 is 177770221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122077771 - 2¹⁵ = 122045003 is a prime.

It is not a weakly prime, because it can be changed into another prime (122077777) 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, 61038885 + 61038886.

It is an arithmetic number, because the mean of its divisors is an integer number (61038886).

Almost surely, 2^122077771 is an apocalyptic number.

122077771 is a deficient number, since it is larger than the sum of its proper divisors (1).

122077771 is an equidigital number, since it uses as much as digits as its factorization.

122077771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9604, while the sum is 34.

The square root of 122077771 is about 11048.8809840635. The cubic root of 122077771 is about 496.0729316859.

The spelling of 122077771 in words is "one hundred twenty-two million, seventy-seven thousand, seven hundred seventy-one".