1125567 has 6 divisors (see below), whose sum is σ = 1625832. Its totient is φ = 750372.

The previous prime is 1125559. The next prime is 1125569. The reversal of 1125567 is 7655211.

It is not a de Polignac number, because 1125567 - 2³ = 1125559 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1125567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62523 + ... + 62540.

It is an arithmetic number, because the mean of its divisors is an integer number (270972).

2^1125567 is an apocalyptic number.

1125567 is a deficient number, since it is larger than the sum of its proper divisors (500265).

1125567 is a wasteful number, since it uses less digits than its factorization.

1125567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125069 (or 125066 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 1125567 is about 1060.9274244735. The cubic root of 1125567 is about 104.0216609221.

The spelling of 1125567 in words is "one million, one hundred twenty-five thousand, five hundred sixty-seven".