121011984 has 60 divisors (see below), whose sum is σ = 358594236. Its totient is φ = 37963776.

The previous prime is 121011977. The next prime is 121011997. The reversal of 121011984 is 489110121.

It can be written as a sum of positive squares in 2 ways, for example, as 87834384 + 33177600 = 9372^2 + 5760^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22269 + ... + 27164.

Almost surely, 2^121011984 is an apocalyptic number.

It is an amenable number.

121011984 is an abundant number, since it is smaller than the sum of its proper divisors (237582252).

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

121011984 is a wasteful number, since it uses less digits than its factorization.

121011984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49464 (or 49455 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 121011984 is about 11000.5447137858. The cubic root of 121011984 is about 494.6250726872.

The spelling of 121011984 in words is "one hundred twenty-one million, eleven thousand, nine hundred eighty-four".