1125300100 has 36 divisors (see below), whose sum is σ = 2444177764. Its totient is φ = 449700480.

The previous prime is 1125299999. The next prime is 1125300101. The reversal of 1125300100 is 10035211.

It can be written as a sum of positive squares in 6 ways, for example, as 74373376 + 1050926724 = 8624^2 + 32418^2 .

It is not an unprimeable number, because it can be changed into a prime (1125300101) 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 11 ways as a sum of consecutive naturals, for example, 116662 + ... + 125938.

Almost surely, 2^1125300100 is an apocalyptic number.

1125300100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125300100 is an abundant number, since it is smaller than the sum of its proper divisors (1318877664).

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

1125300100 is a wasteful number, since it uses less digits than its factorization.

1125300100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10504 (or 10497 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1125300100 is about 33545.4929908624. The cubic root of 1125300100 is about 1040.1343822900.

Adding to 1125300100 its reverse (10035211), we get a palindrome (1135335311).

The spelling of 1125300100 in words is "one billion, one hundred twenty-five million, three hundred thousand, one hundred".