1241320211 has 4 divisors (see below), whose sum is σ = 1241747232. Its totient is φ = 1240893192.

The previous prime is 1241320207. The next prime is 1241320219. The reversal of 1241320211 is 1120231421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1120231421 = 12713 ⋅88117.

It is a cyclic number.

It is not a de Polignac number, because 1241320211 - 2² = 1241320207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241320211.

It is not an unprimeable number, because it can be changed into a prime (1241320219) 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, 209120 + ... + 214973.

It is an arithmetic number, because the mean of its divisors is an integer number (310436808).

Almost surely, 2^1241320211 is an apocalyptic number.

1241320211 is a deficient number, since it is larger than the sum of its proper divisors (427021).

1241320211 is an equidigital number, since it uses as much as digits as its factorization.

1241320211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427020.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1241320211 is about 35232.3744729191. The cubic root of 1241320211 is about 1074.7182130723.

Adding to 1241320211 its reverse (1120231421), we get a palindrome (2361551632).

The spelling of 1241320211 in words is "one billion, two hundred forty-one million, three hundred twenty thousand, two hundred eleven".