121350243 has 16 divisors (see below), whose sum is σ = 185068800. Its totient is φ = 69285216.

The previous prime is 121350223. The next prime is 121350253. The reversal of 121350243 is 342053121.

It is not a de Polignac number, because 121350243 - 2⁵ = 121350211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (121350223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46333 + ... + 48881.

It is an arithmetic number, because the mean of its divisors is an integer number (11566800).

Almost surely, 2^121350243 is an apocalyptic number.

121350243 is a deficient number, since it is larger than the sum of its proper divisors (63718557).

121350243 is a wasteful number, since it uses less digits than its factorization.

121350243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 121350243 is about 11015.9086325187. The cubic root of 121350243 is about 495.0855111938.

The spelling of 121350243 in words is "one hundred twenty-one million, three hundred fifty thousand, two hundred forty-three".