1125823569 has 8 divisors (see below), whose sum is σ = 1616567232. Its totient is φ = 692814480.

The previous prime is 1125823541. The next prime is 1125823597. The reversal of 1125823569 is 9653285211.

It is an interprime number because it is at equal distance from previous prime (1125823541) and next prime (1125823597).

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

It is not a de Polignac number, because 1125823569 - 2⁷ = 1125823441 is a prime.

It is a super-2 number, since 2×1125823569² = 2534957417031795522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1125823569.

It is not an unprimeable number, because it can be changed into a prime (1125828569) 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, 14433597 + ... + 14433674.

It is an arithmetic number, because the mean of its divisors is an integer number (202070904).

Almost surely, 2^1125823569 is an apocalyptic number.

It is an amenable number.

1125823569 is a deficient number, since it is larger than the sum of its proper divisors (490743663).

1125823569 is a wasteful number, since it uses less digits than its factorization.

1125823569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28867287.

The product of its digits is 129600, while the sum is 42.

The square root of 1125823569 is about 33553.2944582197. The cubic root of 1125823569 is about 1040.2956411103.

The spelling of 1125823569 in words is "one billion, one hundred twenty-five million, eight hundred twenty-three thousand, five hundred sixty-nine".