122165340 has 48 divisors (see below), whose sum is σ = 373161600. Its totient is φ = 29615680.

The previous prime is 122165299. The next prime is 122165353. The reversal of 122165340 is 43561221.

It is a self number, because there is not a number n which added to its sum of digits gives 122165340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91890 + ... + 93209.

It is an arithmetic number, because the mean of its divisors is an integer number (7774200).

Almost surely, 2^122165340 is an apocalyptic number.

122165340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122165340 is an abundant number, since it is smaller than the sum of its proper divisors (250996260).

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

122165340 is a wasteful number, since it uses less digits than its factorization.

122165340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185122 (or 185120 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 122165340 is about 11052.8430731645. The cubic root of 122165340 is about 496.1915179154.

The spelling of 122165340 in words is "one hundred twenty-two million, one hundred sixty-five thousand, three hundred forty".