122311340 has 24 divisors (see below), whose sum is σ = 257064192. Its totient is φ = 48884480.

The previous prime is 122311339. The next prime is 122311351. The reversal of 122311340 is 43113221.

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 7 ways as a sum of consecutive naturals, for example, 40772 + ... + 43668.

It is an arithmetic number, because the mean of its divisors is an integer number (10711008).

Almost surely, 2^122311340 is an apocalyptic number.

122311340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122311340 is an abundant number, since it is smaller than the sum of its proper divisors (134752852).

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

122311340 is a wasteful number, since it uses less digits than its factorization.

122311340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017 (or 5015 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 122311340 is about 11059.4457365638. The cubic root of 122311340 is about 496.3891056586.

Adding to 122311340 its reverse (43113221), we get a palindrome (165424561).

The spelling of 122311340 in words is "one hundred twenty-two million, three hundred eleven thousand, three hundred forty".