1125150273 has 24 divisors (see below), whose sum is σ = 1753413480. Its totient is φ = 691142400.

The previous prime is 1125150269. The next prime is 1125150329. The reversal of 1125150273 is 3720515211.

It can be written as a sum of positive squares in 4 ways, for example, as 169598529 + 955551744 = 13023^2 + 30912^2 .

It is not a de Polignac number, because 1125150273 - 2² = 1125150269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125150073) 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 23 ways as a sum of consecutive naturals, for example, 58123 + ... + 75023.

It is an arithmetic number, because the mean of its divisors is an integer number (73058895).

Almost surely, 2^1125150273 is an apocalyptic number.

1125150273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1125150273 is a deficient number, since it is larger than the sum of its proper divisors (628263207).

1125150273 is a wasteful number, since it uses less digits than its factorization.

1125150273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17489 (or 17486 counting only the distinct ones).

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

The square root of 1125150273 is about 33543.2597253159. The cubic root of 1125150273 is about 1040.0882176770.

Adding to 1125150273 its reverse (3720515211), we get a palindrome (4845665484).

The spelling of 1125150273 in words is "one billion, one hundred twenty-five million, one hundred fifty thousand, two hundred seventy-three".