122271800 has 48 divisors (see below), whose sum is σ = 324897360. Its totient is φ = 41921280.

The previous prime is 122271761. The next prime is 122271817. The reversal of 122271800 is 8172221.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 42269 + ... + 45068.

It is an arithmetic number, because the mean of its divisors is an integer number (6768695).

Almost surely, 2^122271800 is an apocalyptic number.

122271800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122271800 is an abundant number, since it is smaller than the sum of its proper divisors (202625560).

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

122271800 is a wasteful number, since it uses less digits than its factorization.

122271800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87360 (or 87351 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 122271800 is about 11057.6579798798. The cubic root of 122271800 is about 496.3356100993.

The spelling of 122271800 in words is "one hundred twenty-two million, two hundred seventy-one thousand, eight hundred".