120641 has 2 divisors, whose sum is σ = 120642. Its totient is φ = 120640.
The previous prime is 120623. The next prime is 120647. The reversal of 120641 is 146021.
120641 is nontrivially palindromic in base 12.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 115600 + 5041 = 340^2 + 71^2 .
It is an emirp because it is prime and its reverse (146021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 120641 - 26 = 120577 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (120647) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60320 + 60321.
It is an arithmetic number, because the mean of its divisors is an integer number (60321).
2120641 is an apocalyptic number.
It is an amenable number.
120641 is a deficient number, since it is larger than the sum of its proper divisors (1).
120641 is an equidigital number, since it uses as much as digits as its factorization.
120641 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 120641 is about 347.3341330765. The cubic root of 120641 is about 49.4119101247.
Adding to 120641 its reverse (146021), we get a palindrome (266662).
The spelling of 120641 in words is "one hundred twenty thousand, six hundred forty-one".
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