122688552 has 48 divisors (see below), whose sum is σ = 356801760. Its totient is φ = 35053536.

The previous prime is 122688551. The next prime is 122688571. The reversal of 122688552 is 255886221.

It is a self number, because there is not a number n which added to its sum of digits gives 122688552.

It is not an unprimeable number, because it can be changed into a prime (122688551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50988 + ... + 53339.

It is an arithmetic number, because the mean of its divisors is an integer number (7433370).

Almost surely, 2^122688552 is an apocalyptic number.

122688552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122688552 is an abundant number, since it is smaller than the sum of its proper divisors (234113208).

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

122688552 is a wasteful number, since it uses less digits than its factorization.

122688552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104350 (or 104339 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 122688552 is about 11076.4864465227. The cubic root of 122688552 is about 496.8988751472.

The spelling of 122688552 in words is "one hundred twenty-two million, six hundred eighty-eight thousand, five hundred fifty-two".