122373220 has 24 divisors (see below), whose sum is σ = 259875000. Its totient is φ = 48398592.

The previous prime is 122373217. The next prime is 122373221. The reversal of 122373220 is 22373221.

It can be written as a sum of positive squares in 4 ways, for example, as 1065024 + 121308196 = 1032^2 + 11014^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122373191 and 122373200.

It is not an unprimeable number, because it can be changed into a prime (122373221) 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, 32595 + ... + 36154.

It is an arithmetic number, because the mean of its divisors is an integer number (10828125).

Almost surely, 2^122373220 is an apocalyptic number.

122373220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122373220 is an abundant number, since it is smaller than the sum of its proper divisors (137501780).

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

122373220 is a wasteful number, since it uses less digits than its factorization.

122373220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68847 (or 68845 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 122373220 is about 11062.2429913648. The cubic root of 122373220 is about 496.4728029381.

Subtracting from 122373220 its reverse (22373221), we obtain a palindrome (99999999).

The spelling of 122373220 in words is "one hundred twenty-two million, three hundred seventy-three thousand, two hundred twenty".