1123434241 has 4 divisors (see below), whose sum is σ = 1172279232. Its totient is φ = 1074589252.

The previous prime is 1123434229. The next prime is 1123434259. The reversal of 1123434241 is 1424343211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1424343211 = 1259 ⋅1131329.

It is a cyclic number.

It is not a de Polignac number, because 1123434241 - 2²¹ = 1121337089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123434271) 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, 24422461 + ... + 24422506.

It is an arithmetic number, because the mean of its divisors is an integer number (293069808).

Almost surely, 2^1123434241 is an apocalyptic number.

It is an amenable number.

1123434241 is a deficient number, since it is larger than the sum of its proper divisors (48844991).

1123434241 is an equidigital number, since it uses as much as digits as its factorization.

1123434241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48844990.

The product of its digits is 2304, while the sum is 25.

The square root of 1123434241 is about 33517.6705783681. The cubic root of 1123434241 is about 1039.5591823245.

Adding to 1123434241 its reverse (1424343211), we get a palindrome (2547777452).

The spelling of 1123434241 in words is "one billion, one hundred twenty-three million, four hundred thirty-four thousand, two hundred forty-one".