122000077 has 2 divisors, whose sum is σ = 122000078. Its totient is φ = 122000076.

The previous prime is 122000069. The next prime is 122000107. The reversal of 122000077 is 770000221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70073641 + 51926436 = 8371^2 + 7206^2 .

It is a cyclic number.

It is not a de Polignac number, because 122000077 - 2³ = 122000069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122000057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000038 + 61000039.

It is an arithmetic number, because the mean of its divisors is an integer number (61000039).

Almost surely, 2^122000077 is an apocalyptic number.

It is an amenable number.

122000077 is a deficient number, since it is larger than the sum of its proper divisors (1).

122000077 is an equidigital number, since it uses as much as digits as its factorization.

122000077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 122000077 is about 11045.3645028129. The cubic root of 122000077 is about 495.9676707271.

Adding to 122000077 its reverse (770000221), we get a palindrome (892000298).

The spelling of 122000077 in words is "one hundred twenty-two million, seventy-seven", and thus it is an aban number.