121043998 has 8 divisors (see below), whose sum is σ = 181846008. Its totient is φ = 60428664.

The previous prime is 121043981. The next prime is 121044031. The reversal of 121043998 is 899340121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45036 + ... + 47647.

It is an arithmetic number, because the mean of its divisors is an integer number (22730751).

Almost surely, 2^121043998 is an apocalyptic number.

121043998 is a deficient number, since it is larger than the sum of its proper divisors (60802010).

121043998 is an equidigital number, since it uses as much as digits as its factorization.

121043998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93338.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 121043998 is about 11001.9997273223. Note that the first 3 decimals coincide. The cubic root of 121043998 is about 494.6686869100.

The spelling of 121043998 in words is "one hundred twenty-one million, forty-three thousand, nine hundred ninety-eight".