122120120977 has 2 divisors, whose sum is σ = 122120120978. Its totient is φ = 122120120976.

The previous prime is 122120120963. The next prime is 122120121023. The reversal of 122120120977 is 779021021221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85009566096 + 37110554881 = 291564^2 + 192641^2 .

It is an emirp because it is prime and its reverse (779021021221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122120120977 - 2⁷ = 122120120849 is a prime.

It is not a weakly prime, because it can be changed into another prime (122120124977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060060488 + 61060060489.

It is an arithmetic number, because the mean of its divisors is an integer number (61060060489).

Almost surely, 2^122120120977 is an apocalyptic number.

It is an amenable number.

122120120977 is a deficient number, since it is larger than the sum of its proper divisors (1).

122120120977 is an equidigital number, since it uses as much as digits as its factorization.

122120120977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 34.

The spelling of 122120120977 in words is "one hundred twenty-two billion, one hundred twenty million, one hundred twenty thousand, nine hundred seventy-seven".