122556836 has 12 divisors (see below), whose sum is σ = 214961712. Its totient is φ = 61139208.

The previous prime is 122556823. The next prime is 122556877. The reversal of 122556836 is 638655221.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 122556836.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32810 + ... + 36353.

It is an arithmetic number, because the mean of its divisors is an integer number (17913476).

Almost surely, 2^122556836 is an apocalyptic number.

It is an amenable number.

122556836 is a deficient number, since it is larger than the sum of its proper divisors (92404876).

122556836 is a wasteful number, since it uses less digits than its factorization.

122556836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69610 (or 69608 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 122556836 is about 11070.5391015975. The cubic root of 122556836 is about 496.7209912101.

It can be divided in two parts, 12255 and 6836, that added together give a palindrome (19091).

The spelling of 122556836 in words is "one hundred twenty-two million, five hundred fifty-six thousand, eight hundred thirty-six".