1125259567 has 8 divisors (see below), whose sum is σ = 1174588416. Its totient is φ = 1075964472.

The previous prime is 1125259547. The next prime is 1125259609. The reversal of 1125259567 is 7659525211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1125259567 - 2¹⁵ = 1125226799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125259547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79158 + ... + 92284.

It is an arithmetic number, because the mean of its divisors is an integer number (146823552).

Almost surely, 2^1125259567 is an apocalyptic number.

1125259567 is a deficient number, since it is larger than the sum of its proper divisors (49328849).

1125259567 is a wasteful number, since it uses less digits than its factorization.

1125259567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16877.

The product of its digits is 189000, while the sum is 43.

The square root of 1125259567 is about 33544.8888357079. Note that the first 4 decimals coincide. The cubic root of 1125259567 is about 1040.1218936887.

The spelling of 1125259567 in words is "one billion, one hundred twenty-five million, two hundred fifty-nine thousand, five hundred sixty-seven".