1122041563 has 4 divisors (see below), whose sum is σ = 1138788520. Its totient is φ = 1105294608.

The previous prime is 1122041549. The next prime is 1122041567. The reversal of 1122041563 is 3651402211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3651402211 = 17929 ⋅203659.

It is a cyclic number.

It is not a de Polignac number, because 1122041563 - 2⁹ = 1122041051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122041567) 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, 8373378 + ... + 8373511.

It is an arithmetic number, because the mean of its divisors is an integer number (284697130).

Almost surely, 2^1122041563 is an apocalyptic number.

1122041563 is a deficient number, since it is larger than the sum of its proper divisors (16746957).

1122041563 is an equidigital number, since it uses as much as digits as its factorization.

1122041563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16746956.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1122041563 is about 33496.8888555340. Note that the first 4 decimals coincide. The cubic root of 1122041563 is about 1039.1294375855.

Adding to 1122041563 its reverse (3651402211), we get a palindrome (4773443774).

The spelling of 1122041563 in words is "one billion, one hundred twenty-two million, forty-one thousand, five hundred sixty-three".