1123101563 has 8 divisors (see below), whose sum is σ = 1149749568. Its totient is φ = 1096477704.

The previous prime is 1123101559. The next prime is 1123101587. The reversal of 1123101563 is 3651013211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123101563 - 2² = 1123101559 is a prime.

It is a super-2 number, since 2×1123101563² = 2522714241626085938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123109563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117656 + ... + 126842.

It is an arithmetic number, because the mean of its divisors is an integer number (143718696).

Almost surely, 2^1123101563 is an apocalyptic number.

1123101563 is a deficient number, since it is larger than the sum of its proper divisors (26648005).

1123101563 is an equidigital number, since it uses as much as digits as its factorization.

1123101563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12073.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1123101563 is about 33512.7074853704. The cubic root of 1123101563 is about 1039.4565587204.

Adding to 1123101563 its reverse (3651013211), we get a palindrome (4774114774).

The spelling of 1123101563 in words is "one billion, one hundred twenty-three million, one hundred one thousand, five hundred sixty-three".