122771077 has 12 divisors (see below), whose sum is σ = 145329100. Its totient is φ = 103023360.

The previous prime is 122771071. The next prime is 122771081. The reversal of 122771077 is 770177221.

It can be written as a sum of positive squares in 2 ways, for example, as 22791076 + 99980001 = 4774^2 + 9999^2 .

It is not a de Polignac number, because 122771077 - 2²³ = 114382469 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122771071) 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 in 11 ways as a sum of consecutive naturals, for example, 37452 + ... + 40597.

Almost surely, 2^122771077 is an apocalyptic number.

It is an amenable number.

122771077 is a deficient number, since it is larger than the sum of its proper divisors (22558023).

122771077 is a wasteful number, since it uses less digits than its factorization.

122771077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78084 (or 78073 counting only the distinct ones).

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

The square root of 122771077 is about 11080.2110539466. The cubic root of 122771077 is about 497.0102612226.

The spelling of 122771077 in words is "one hundred twenty-two million, seven hundred seventy-one thousand, seventy-seven".