1243034411 has 4 divisors (see below), whose sum is σ = 1271942232. Its totient is φ = 1214126592.

The previous prime is 1243034383. The next prime is 1243034423. The reversal of 1243034411 is 1144303421.

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 2^k-1243034411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1243034911) 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, 14453846 + ... + 14453931.

It is an arithmetic number, because the mean of its divisors is an integer number (317985558).

Almost surely, 2^1243034411 is an apocalyptic number.

1243034411 is a deficient number, since it is larger than the sum of its proper divisors (28907821).

1243034411 is an equidigital number, since it uses as much as digits as its factorization.

1243034411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28907820.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1243034411 is about 35256.6931376157. The cubic root of 1243034411 is about 1075.2126958984.

Adding to 1243034411 its reverse (1144303421), we get a palindrome (2387337832).

The spelling of 1243034411 in words is "one billion, two hundred forty-three million, thirty-four thousand, four hundred eleven".