122556500 has 48 divisors (see below), whose sum is σ = 292009536. Its totient is φ = 44564000.

The previous prime is 122556433. The next prime is 122556509. The reversal of 122556500 is 5655221.

It is a hoax number, since the sum of its digits (26) 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 122556500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122556509) 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 15 ways as a sum of consecutive naturals, for example, 5642 + ... + 16641.

It is an arithmetic number, because the mean of its divisors is an integer number (6083532).

Almost surely, 2^122556500 is an apocalyptic number.

122556500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122556500 is an abundant number, since it is smaller than the sum of its proper divisors (169453036).

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

122556500 is a wasteful number, since it uses less digits than its factorization.

122556500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22313 (or 22301 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 122556500 is about 11070.5239261744. The cubic root of 122556500 is about 496.7205372754.

The spelling of 122556500 in words is "one hundred twenty-two million, five hundred fifty-six thousand, five hundred".