121230353 has 8 divisors (see below), whose sum is σ = 125533800. Its totient is φ = 116935168.

The previous prime is 121230337. The next prime is 121230377. The reversal of 121230353 is 353032121.

It can be written as a sum of positive squares in 4 ways, for example, as 55830784 + 65399569 = 7472^2 + 8087^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 121230353 - 2⁴ = 121230337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121230313) 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 7 ways as a sum of consecutive naturals, for example, 53675 + ... + 55887.

It is an arithmetic number, because the mean of its divisors is an integer number (15691725).

Almost surely, 2^121230353 is an apocalyptic number.

It is an amenable number.

121230353 is a deficient number, since it is larger than the sum of its proper divisors (4303447).

121230353 is a wasteful number, since it uses less digits than its factorization.

121230353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 121230353 is about 11010.4656123163. The cubic root of 121230353 is about 494.9224148033.

Adding to 121230353 its reverse (353032121), we get a palindrome (474262474).

The spelling of 121230353 in words is "one hundred twenty-one million, two hundred thirty thousand, three hundred fifty-three".