121884 has 24 divisors (see below), whose sum is σ = 325248. Its totient is φ = 34800.

The previous prime is 121883. The next prime is 121889. The reversal of 121884 is 488121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642 + ... + 809.

It is an arithmetic number, because the mean of its divisors is an integer number (13552).

2¹²¹⁸⁸⁴ is an apocalyptic number.

121884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121884 is an abundant number, since it is smaller than the sum of its proper divisors (203364).

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

121884 is a wasteful number, since it uses less digits than its factorization.

121884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465 (or 1463 counting only the distinct ones).

The product of its digits is 512, while the sum is 24.

The square root of 121884 is about 349.1188909240. The cubic root of 121884 is about 49.5810324631.

The spelling of 121884 in words is "one hundred twenty-one thousand, eight hundred eighty-four".