122079977 has 2 divisors, whose sum is σ = 122079978. Its totient is φ = 122079976.

The previous prime is 122079961. The next prime is 122079989. The reversal of 122079977 is 779970221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109327936 + 12752041 = 10456^2 + 3571^2 .

It is a cyclic number.

It is not a de Polignac number, because 122079977 - 2⁴ = 122079961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122079577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61039988 + 61039989.

It is an arithmetic number, because the mean of its divisors is an integer number (61039989).

Almost surely, 2^122079977 is an apocalyptic number.

It is an amenable number.

122079977 is a deficient number, since it is larger than the sum of its proper divisors (1).

122079977 is an equidigital number, since it uses as much as digits as its factorization.

122079977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 122079977 is about 11048.9808127266. The cubic root of 122079977 is about 496.0759197546.

The spelling of 122079977 in words is "one hundred twenty-two million, seventy-nine thousand, nine hundred seventy-seven".