121030984 has 16 divisors (see below), whose sum is σ = 229016700. Its totient is φ = 59959872.

The previous prime is 121030981. The next prime is 121030993. The reversal of 121030984 is 489030121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 102454884 + 18576100 = 10122^2 + 4310^2 .

It is not an unprimeable number, because it can be changed into a prime (121030981) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 68527 + ... + 70270.

Almost surely, 2^121030984 is an apocalyptic number.

It is an amenable number.

121030984 is a deficient number, since it is larger than the sum of its proper divisors (107985716).

121030984 is a wasteful number, since it uses less digits than its factorization.

121030984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138912 (or 138908 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 121030984 is about 11001.4082734894. The cubic root of 121030984 is about 494.6509582352.

The spelling of 121030984 in words is "one hundred twenty-one million, thirty thousand, nine hundred eighty-four".