1123342241 has 16 divisors (see below), whose sum is σ = 1362355200. Its totient is φ = 905383248.

The previous prime is 1123342229. The next prime is 1123342249. The reversal of 1123342241 is 1422433211.

It is a de Polignac number, because none of the positive numbers 2^k-1123342241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123342249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49631 + ... + 68628.

It is an arithmetic number, because the mean of its divisors is an integer number (85147200).

Almost surely, 2^1123342241 is an apocalyptic number.

It is an amenable number.

1123342241 is a deficient number, since it is larger than the sum of its proper divisors (239012959).

1123342241 is a wasteful number, since it uses less digits than its factorization.

1123342241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118348.

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

The square root of 1123342241 is about 33516.2981398603. The cubic root of 1123342241 is about 1039.5308044417.

Adding to 1123342241 its reverse (1422433211), we get a palindrome (2545775452).

The spelling of 1123342241 in words is "one billion, one hundred twenty-three million, three hundred forty-two thousand, two hundred forty-one".