121055984 has 20 divisors (see below), whose sum is σ = 268052784. Its totient is φ = 51881088.

The previous prime is 121055983. The next prime is 121055989. The reversal of 121055984 is 489550121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121055983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540317 + ... + 540540.

Almost surely, 2^121055984 is an apocalyptic number.

121055984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121055984 is an abundant number, since it is smaller than the sum of its proper divisors (146996800).

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

121055984 is a wasteful number, since it uses less digits than its factorization.

121055984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080872 (or 1080866 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 121055984 is about 11002.5444329937. The cubic root of 121055984 is about 494.6850140397.

The spelling of 121055984 in words is "one hundred twenty-one million, fifty-five thousand, nine hundred eighty-four".