122409984 has 44 divisors (see below), whose sum is σ = 326275424. Its totient is φ = 40802304.

The previous prime is 122409983. The next prime is 122409997. The reversal of 122409984 is 489904221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122409983) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16852 + ... + 22995.

Almost surely, 2^122409984 is an apocalyptic number.

It is an amenable number.

122409984 is an abundant number, since it is smaller than the sum of its proper divisors (203865440).

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

122409984 is an equidigital number, since it uses as much as digits as its factorization.

122409984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39870 (or 39852 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 122409984 is about 11063.9045549028. The cubic root of 122409984 is about 496.5225156084.

The spelling of 122409984 in words is "one hundred twenty-two million, four hundred nine thousand, nine hundred eighty-four".