122776 has 16 divisors (see below), whose sum is σ = 234000. Its totient is φ = 60384.

The previous prime is 122761. The next prime is 122777. The reversal of 122776 is 677221.

It is a self number, because there is not a number n which added to its sum of digits gives 122776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750 + ... + 898.

It is an arithmetic number, because the mean of its divisors is an integer number (14625).

2¹²²⁷⁷⁶ is an apocalyptic number.

It is an amenable number.

122776 is a deficient number, since it is larger than the sum of its proper divisors (111224).

122776 is a wasteful number, since it uses less digits than its factorization.

122776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 254 counting only the distinct ones).

The product of its digits is 1176, while the sum is 25.

The square root of 122776 is about 350.3940638767. The cubic root of 122776 is about 49.7016904342.

Adding to 122776 its reverse (677221), we get a palindrome (799997).

It can be divided in two parts, 122 and 776, that added together give a palindrome (898).

The spelling of 122776 in words is "one hundred twenty-two thousand, seven hundred seventy-six".