122784036 has 24 divisors (see below), whose sum is σ = 287437920. Its totient is φ = 40793472.

The previous prime is 122784007. The next prime is 122784037. The reversal of 122784036 is 630487221.

It is a junction number, because it is equal to n+sod(n) for n = 122783988 and 122784006.

It is not an unprimeable number, because it can be changed into a prime (122784037) 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 7 ways as a sum of consecutive naturals, for example, 12981 + ... + 20348.

It is an arithmetic number, because the mean of its divisors is an integer number (11976580).

Almost surely, 2^122784036 is an apocalyptic number.

It is an amenable number.

122784036 is an abundant number, since it is smaller than the sum of its proper divisors (164653884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122784036 is a wasteful number, since it uses less digits than its factorization.

122784036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33643 (or 33641 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 122784036 is about 11080.7958197956. The cubic root of 122784036 is about 497.0277477771.

The spelling of 122784036 in words is "one hundred twenty-two million, seven hundred eighty-four thousand, thirty-six".