122108500 has 24 divisors (see below), whose sum is σ = 266686056. Its totient is φ = 48843200.

The previous prime is 122108479. The next prime is 122108509. The reversal of 122108500 is 5801221.

It can be written as a sum of positive squares in 4 ways, for example, as 535824 + 121572676 = 732^2 + 11026^2 .

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122108509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121609 + ... + 122608.

It is an arithmetic number, because the mean of its divisors is an integer number (11111919).

Almost surely, 2^122108500 is an apocalyptic number.

122108500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122108500 is an abundant number, since it is smaller than the sum of its proper divisors (144577556).

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

122108500 is a wasteful number, since it uses less digits than its factorization.

122108500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244236 (or 244224 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 122108500 is about 11050.2714898775. The cubic root of 122108500 is about 496.1145514559.

Adding to 122108500 its reverse (5801221), we get a palindrome (127909721).

The spelling of 122108500 in words is "one hundred twenty-two million, one hundred eight thousand, five hundred".