1123054355 has 4 divisors (see below), whose sum is σ = 1347665232. Its totient is φ = 898443480.

The previous prime is 1123054351. The next prime is 1123054367. The reversal of 1123054355 is 5534503211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5534503211 = 43 ⋅128709377.

It is not a de Polignac number, because 1123054355 - 2² = 1123054351 is a prime.

It is a super-2 number, since 2×1123054355² = 2522502168568932050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123054351) 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, 112305431 + ... + 112305440.

It is an arithmetic number, because the mean of its divisors is an integer number (336916308).

Almost surely, 2^1123054355 is an apocalyptic number.

1123054355 is a deficient number, since it is larger than the sum of its proper divisors (224610877).

1123054355 is an equidigital number, since it uses as much as digits as its factorization.

1123054355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224610876.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1123054355 is about 33512.0031481259. The cubic root of 1123054355 is about 1039.4419944831.

Adding to 1123054355 its reverse (5534503211), we get a palindrome (6657557566).

The spelling of 1123054355 in words is "one billion, one hundred twenty-three million, fifty-four thousand, three hundred fifty-five".