1125288365 has 8 divisors (see below), whose sum is σ = 1350543480. Its totient is φ = 900099072.

The previous prime is 1125288323. The next prime is 1125288397. The reversal of 1125288365 is 5638825211.

It can be written as a sum of positive squares in 4 ways, for example, as 61811044 + 1063477321 = 7862^2 + 32611^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1125288365 - 2¹⁴ = 1125271981 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 36881 + ... + 60089.

It is an arithmetic number, because the mean of its divisors is an integer number (168817935).

Almost surely, 2^1125288365 is an apocalyptic number.

It is an amenable number.

1125288365 is a deficient number, since it is larger than the sum of its proper divisors (225255115).

1125288365 is an equidigital number, since it uses as much as digits as its factorization.

1125288365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32911.

The product of its digits is 115200, while the sum is 41.

The square root of 1125288365 is about 33545.3180786828. The cubic root of 1125288365 is about 1040.1307666562.

The spelling of 1125288365 in words is "one billion, one hundred twenty-five million, two hundred eighty-eight thousand, three hundred sixty-five".