771000122 has 8 divisors (see below), whose sum is σ = 1157557716. Its totient is φ = 385147552.

The previous prime is 771000073. The next prime is 771000127. The reversal of 771000122 is 221000177.

It can be written as a sum of positive squares in 2 ways, for example, as 692163481 + 78836641 = 26309^2 + 8879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 771000094 and 771000103.

It is not an unprimeable number, because it can be changed into a prime (771000127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173513 + ... + 177900.

Almost surely, 2^771000122 is an apocalyptic number.

771000122 is a deficient number, since it is larger than the sum of its proper divisors (386557594).

771000122 is a wasteful number, since it uses less digits than its factorization.

771000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352512.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 771000122 is about 27766.8889506909. Note that the first 3 decimals coincide. The cubic root of 771000122 is about 916.9623038201.

Adding to 771000122 its reverse (221000177), we get a palindrome (992000299).

Subtracting from 771000122 its reverse (221000177), we obtain a palindrome (549999945).

The spelling of 771000122 in words is "seven hundred seventy-one million, one hundred twenty-two", and thus it is an aban number.