1240211 has 4 divisors (see below), whose sum is σ = 1417392. Its totient is φ = 1063032.

The previous prime is 1240207. The next prime is 1240219. The reversal of 1240211 is 1120421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1120421 = 89 ⋅12589.

It is a cyclic number.

It is not a de Polignac number, because 1240211 - 2² = 1240207 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1240192 and 1240201.

It is not an unprimeable number, because it can be changed into a prime (1240219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88580 + ... + 88593.

It is an arithmetic number, because the mean of its divisors is an integer number (354348).

2^1240211 is an apocalyptic number.

1240211 is a deficient number, since it is larger than the sum of its proper divisors (177181).

1240211 is an equidigital number, since it uses as much as digits as its factorization.

1240211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177180.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1240211 is about 1113.6476103328. The cubic root of 1240211 is about 107.4398004394.

Adding to 1240211 its reverse (1120421), we get a palindrome (2360632).

The spelling of 1240211 in words is "one million, two hundred forty thousand, two hundred eleven".