122375220 has 96 divisors (see below), whose sum is σ = 376500096. Its totient is φ = 29452800.

The previous prime is 122375213. The next prime is 122375237. The reversal of 122375220 is 22573221.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 103030 + ... + 104210.

It is an arithmetic number, because the mean of its divisors is an integer number (3921876).

Almost surely, 2^122375220 is an apocalyptic number.

122375220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122375220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188250048).

122375220 is an abundant number, since it is smaller than the sum of its proper divisors (254124876).

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

122375220 is a wasteful number, since it uses less digits than its factorization.

122375220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 122375220 is about 11062.3333885758. Note that the first 4 decimals coincide. The cubic root of 122375220 is about 496.4755076154.

The spelling of 122375220 in words is "one hundred twenty-two million, three hundred seventy-five thousand, two hundred twenty".