1127563 has 4 divisors (see below), whose sum is σ = 1163968. Its totient is φ = 1091160.

The previous prime is 1127561. The next prime is 1127573. The reversal of 1127563 is 3657211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3657211 = 47 ⋅77813.

It is a cyclic number.

It is not a de Polignac number, because 1127563 - 2¹ = 1127561 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1127561) 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, 18156 + ... + 18217.

It is an arithmetic number, because the mean of its divisors is an integer number (290992).

2^1127563 is an apocalyptic number.

1127563 is a deficient number, since it is larger than the sum of its proper divisors (36405).

1127563 is an equidigital number, since it uses as much as digits as its factorization.

1127563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36404.

The product of its digits is 1260, while the sum is 25.

The square root of 1127563 is about 1061.8676942068. The cubic root of 1127563 is about 104.0831128024.

It can be divided in two parts, 1127 and 563, that multiplied together give a triangular number (634501 = T₁₁₂₆).

The spelling of 1127563 in words is "one million, one hundred twenty-seven thousand, five hundred sixty-three".