1123411441 has 4 divisors (see below), whose sum is σ = 1141828084. Its totient is φ = 1104994800.

The previous prime is 1123411411. The next prime is 1123411451. The reversal of 1123411441 is 1441143211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1441143211 = 311 ⋅4633901.

It can be written as a sum of positive squares in 2 ways, for example, as 125104225 + 998307216 = 11185^2 + 31596^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123411441 - 2⁷ = 1123411313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123411411) 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, 9208230 + ... + 9208351.

It is an arithmetic number, because the mean of its divisors is an integer number (285457021).

Almost surely, 2^1123411441 is an apocalyptic number.

It is an amenable number.

1123411441 is a deficient number, since it is larger than the sum of its proper divisors (18416643).

1123411441 is an equidigital number, since it uses as much as digits as its factorization.

1123411441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18416642.

The product of its digits is 384, while the sum is 22.

The square root of 1123411441 is about 33517.3304575409. The cubic root of 1123411441 is about 1039.5521496893.

Adding to 1123411441 its reverse (1441143211), we get a palindrome (2564554652).

The spelling of 1123411441 in words is "one billion, one hundred twenty-three million, four hundred eleven thousand, four hundred forty-one".