1125233445 has 32 divisors (see below), whose sum is σ = 2063370240. Its totient is φ = 512942400.

The previous prime is 1125233429. The next prime is 1125233453. The reversal of 1125233445 is 5443325211.

It is not a de Polignac number, because 1125233445 - 2⁴ = 1125233429 is a prime.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 22770 + ... + 52620.

It is an arithmetic number, because the mean of its divisors is an integer number (64480320).

Almost surely, 2^1125233445 is an apocalyptic number.

1125233445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1125233445 is a deficient number, since it is larger than the sum of its proper divisors (938136795).

1125233445 is a wasteful number, since it uses less digits than its factorization.

1125233445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30225.

The product of its digits is 14400, while the sum is 30.

The square root of 1125233445 is about 33544.4994745785. The cubic root of 1125233445 is about 1040.1138450940.

Adding to 1125233445 its reverse (5443325211), we get a palindrome (6568558656).

The spelling of 1125233445 in words is "one billion, one hundred twenty-five million, two hundred thirty-three thousand, four hundred forty-five".