122055027777 has 12 divisors (see below), whose sum is σ = 180601748964. Its totient is φ = 79385383680.

The previous prime is 122055027737. The next prime is 122055027779. The reversal of 122055027777 is 777720550221.

122055027777 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 5 + 502 + 77 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30304194561 + 91750833216 = 174081^2 + 302904^2 .

It is not a de Polignac number, because 122055027777 - 2¹⁸ = 122054765633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122055027779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165385848 + ... + 165386585.

It is an arithmetic number, because the mean of its divisors is an integer number (15050145747).

Almost surely, 2^122055027777 is an apocalyptic number.

It is an amenable number.

122055027777 is a deficient number, since it is larger than the sum of its proper divisors (58546721187).

122055027777 is a wasteful number, since it uses less digits than its factorization.

122055027777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330772480 (or 330772477 counting only the distinct ones).

The product of its (nonzero) digits is 480200, while the sum is 45.

Adding to 122055027777 its reverse (777720550221), we get a palindrome (899775577998).

The spelling of 122055027777 in words is "one hundred twenty-two billion, fifty-five million, twenty-seven thousand, seven hundred seventy-seven".