122540232 has 16 divisors (see below), whose sum is σ = 306350640. Its totient is φ = 40846736.

The previous prime is 122540221. The next prime is 122540269. The reversal of 122540232 is 232045221.

It is a super-2 number, since 2×122540232² = 30032216917227648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122540199 and 122540208.

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 3 ways as a sum of consecutive naturals, for example, 2552898 + ... + 2552945.

It is an arithmetic number, because the mean of its divisors is an integer number (19146915).

Almost surely, 2^122540232 is an apocalyptic number.

122540232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122540232 is an abundant number, since it is smaller than the sum of its proper divisors (183810408).

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

122540232 is a wasteful number, since it uses less digits than its factorization.

122540232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105852 (or 5105848 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 122540232 is about 11069.7891578837. The cubic root of 122540232 is about 496.6985582773.

Adding to 122540232 its reverse (232045221), we get a palindrome (354585453).

The spelling of 122540232 in words is "one hundred twenty-two million, five hundred forty thousand, two hundred thirty-two".