122555236 has 12 divisors (see below), whose sum is σ = 214670512. Its totient is φ = 61220808.

The previous prime is 122555233. The next prime is 122555249. The reversal of 122555236 is 632555221.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 122555198 and 122555207.

It is not an unprimeable number, because it can be changed into a prime (122555231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9150 + ... + 18133.

Almost surely, 2^122555236 is an apocalyptic number.

It is an amenable number.

122555236 is a deficient number, since it is larger than the sum of its proper divisors (92115276).

122555236 is a wasteful number, since it uses less digits than its factorization.

122555236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28410 (or 28408 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 122555236 is about 11070.4668374915. The cubic root of 122555236 is about 496.7188296088.

The spelling of 122555236 in words is "one hundred twenty-two million, five hundred fifty-five thousand, two hundred thirty-six".