1125597 has 16 divisors (see below), whose sum is σ = 1709568. Its totient is φ = 652080.

The previous prime is 1125581. The next prime is 1125599. The reversal of 1125597 is 7955211.

It is not a de Polignac number, because 1125597 - 2⁴ = 1125581 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (106848).

2^1125597 is an apocalyptic number.

It is an amenable number.

1125597 is a deficient number, since it is larger than the sum of its proper divisors (583971).

1125597 is a wasteful number, since it uses less digits than its factorization.

1125597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520.

The product of its digits is 3150, while the sum is 30.

The square root of 1125597 is about 1060.9415629525. The cubic root of 1125597 is about 104.0225850851.

The spelling of 1125597 in words is "one million, one hundred twenty-five thousand, five hundred ninety-seven".