200121233 has 8 divisors (see below), whose sum is σ = 217162176. Its totient is φ = 183315600.
The previous prime is 200121227. The next prime is 200121241. The reversal of 200121233 is 332121002.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 200121233 - 26 = 200121169 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (200121203) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 57053 + ... + 60458.
It is an arithmetic number, because the mean of its divisors is an integer number (27145272).
Almost surely, 2200121233 is an apocalyptic number.
It is an amenable number.
200121233 is a deficient number, since it is larger than the sum of its proper divisors (17040943).
200121233 is a wasteful number, since it uses less digits than its factorization.
200121233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117655.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 200121233 is about 14146.4212082067. The cubic root of 200121233 is about 584.9216862561.
Adding to 200121233 its reverse (332121002), we get a palindrome (532242235).
The spelling of 200121233 in words is "two hundred million, one hundred twenty-one thousand, two hundred thirty-three".
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