122031340 has 24 divisors (see below), whose sum is σ = 257014800. Its totient is φ = 48669888.

The previous prime is 122031323. The next prime is 122031361. The reversal of 122031340 is 43130221.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 1762 + ... + 15721.

It is an arithmetic number, because the mean of its divisors is an integer number (10708950).

Almost surely, 2^122031340 is an apocalyptic number.

122031340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122031340 is an abundant number, since it is smaller than the sum of its proper divisors (134983460).

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

122031340 is a wasteful number, since it uses less digits than its factorization.

122031340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17841 (or 17839 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 122031340 is about 11046.7796212290. The cubic root of 122031340 is about 496.0100316650.

Adding to 122031340 its reverse (43130221), we get a palindrome (165161561).

The spelling of 122031340 in words is "one hundred twenty-two million, thirty-one thousand, three hundred forty".