122910984 has 48 divisors (see below), whose sum is σ = 380440320. Its totient is φ = 35117280.

The previous prime is 122910979. The next prime is 122911013. The reversal of 122910984 is 489019221.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 121432 + ... + 122439.

It is an arithmetic number, because the mean of its divisors is an integer number (7925840).

Almost surely, 2^122910984 is an apocalyptic number.

122910984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122910984 is an abundant number, since it is smaller than the sum of its proper divisors (257529336).

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

122910984 is a wasteful number, since it uses less digits than its factorization.

122910984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243890 (or 243883 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 122910984 is about 11086.5226288499. The cubic root of 122910984 is about 497.1989832448.

The spelling of 122910984 in words is "one hundred twenty-two million, nine hundred ten thousand, nine hundred eighty-four".