1126162563 has 4 divisors (see below), whose sum is σ = 1501550088. Its totient is φ = 750775040.

The previous prime is 1126162553. The next prime is 1126162567. The reversal of 1126162563 is 3652616211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1126162563 - 2¹⁰ = 1126161539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1126162567) 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, 187693758 + ... + 187693763.

It is an arithmetic number, because the mean of its divisors is an integer number (375387522).

Almost surely, 2^1126162563 is an apocalyptic number.

1126162563 is a deficient number, since it is larger than the sum of its proper divisors (375387525).

1126162563 is an equidigital number, since it uses as much as digits as its factorization.

1126162563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375387524.

The product of its digits is 12960, while the sum is 33.

The square root of 1126162563 is about 33558.3456535032. The cubic root of 1126162563 is about 1040.4000442633.

Adding to 1126162563 its reverse (3652616211), we get a palindrome (4778778774).

The spelling of 1126162563 in words is "one billion, one hundred twenty-six million, one hundred sixty-two thousand, five hundred sixty-three".