1126563 has 16 divisors (see below), whose sum is σ = 1624320. Its totient is φ = 692384.

The previous prime is 1126561. The next prime is 1126577. The reversal of 1126563 is 3656211.

It is a cyclic number.

It is not a de Polignac number, because 1126563 - 2¹ = 1126561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1126561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1720 + ... + 2282.

It is an arithmetic number, because the mean of its divisors is an integer number (101520).

2^1126563 is an apocalyptic number.

1126563 is a deficient number, since it is larger than the sum of its proper divisors (497757).

1126563 is a wasteful number, since it uses less digits than its factorization.

1126563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618.

The product of its digits is 1080, while the sum is 24.

The square root of 1126563 is about 1061.3967213064. The cubic root of 1126563 is about 104.0523343603.

The spelling of 1126563 in words is "one million, one hundred twenty-six thousand, five hundred sixty-three".