1241311 has 4 divisors (see below), whose sum is σ = 1248912.
Its totient is φ = 1233712.
The previous prime is 1241291. The next prime is 1241321. The reversal of 1241311 is 1131421.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1241311 is a prime.
It is a super-3 number, since 3×12413113 = 5738033330086089693, which contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1241291 and 1241300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1241321) 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 3 ways as a sum of consecutive naturals, for example, 3550 + ... + 3883.
It is an arithmetic number, because the mean of its divisors is an integer number (312228).
21241311 is an apocalyptic number.
1241311 is a deficient number, since it is larger than the sum of its proper divisors (7601).
1241311 is an equidigital number, since it uses as much as digits as its factorization.
1241311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7600.
The product of its digits is 24, while the sum is 13.
The square root of 1241311 is about 1114.1413734352.
The cubic root of 1241311 is about 107.4715554813.
Adding to 1241311 its reverse (1131421), we get a palindrome (2372732).
The spelling of 1241311 in words is "one million, two hundred forty-one thousand, three hundred eleven".