122122434 has 16 divisors (see below), whose sum is σ = 279137088. Its totient is φ = 34892112.

The previous prime is 122122411. The next prime is 122122439. The reversal of 122122434 is 434221221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 122122434.

It is not an unprimeable number, because it can be changed into a prime (122122439) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1453797 + ... + 1453880.

It is an arithmetic number, because the mean of its divisors is an integer number (17446068).

Almost surely, 2^122122434 is an apocalyptic number.

122122434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

122122434 is an abundant number, since it is smaller than the sum of its proper divisors (157014654).

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

122122434 is a wasteful number, since it uses less digits than its factorization.

122122434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907689.

The product of its digits is 768, while the sum is 21.

The square root of 122122434 is about 11050.9019541393. The cubic root of 122122434 is about 496.1334215515.

Adding to 122122434 its reverse (434221221), we get a palindrome (556343655).

The spelling of 122122434 in words is "one hundred twenty-two million, one hundred twenty-two thousand, four hundred thirty-four".