1125544050 has 72 divisors (see below), whose sum is σ = 3046201236. Its totient is φ = 297937920.

The previous prime is 1125544039. The next prime is 1125544051. The reversal of 1125544050 is 504455211.

1125544050 is a `hidden beast` number, since 1 + 1 + 255 + 4 + 405 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 344956329 + 780587721 = 18573^2 + 27939^2 .

It is not an unprimeable number, because it can be changed into a prime (1125544051) 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 35 ways as a sum of consecutive naturals, for example, 52522 + ... + 70778.

Almost surely, 2^1125544050 is an apocalyptic number.

1125544050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125544050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523100618).

1125544050 is an abundant number, since it is smaller than the sum of its proper divisors (1920657186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125544050 is a wasteful number, since it uses less digits than its factorization.

1125544050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18412 (or 18404 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1125544050 is about 33549.1289007628. The cubic root of 1125544050 is about 1040.2095392634.

Adding to 1125544050 its reverse (504455211), we get a palindrome (1629999261).

The spelling of 1125544050 in words is "one billion, one hundred twenty-five million, five hundred forty-four thousand, fifty".