1201443 has 4 divisors (see below), whose sum is σ = 1601928.
Its totient is φ = 800960.
The previous prime is 1201439. The next prime is 1201469. The reversal of 1201443 is 3441021.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1201443 - 22 = 1201439 is a prime.
It is a D-number.
It is not an unprimeable number, because it can be changed into a prime (1201483) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200238 + ... + 200243.
It is an arithmetic number, because the mean of its divisors is an integer number (400482).
21201443 is an apocalyptic number.
1201443 is a deficient number, since it is larger than the sum of its proper divisors (400485).
1201443 is an equidigital number, since it uses as much as digits as its factorization.
1201443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400484.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 1201443 is about 1096.1035535021.
The cubic root of 1201443 is about 106.3084347539.
Adding to 1201443 its reverse (3441021), we get a palindrome (4642464).
The spelling of 1201443 in words is "one million, two hundred one thousand, four hundred forty-three".