1100231125 has 32 divisors (see below), whose sum is σ = 1578140928. Its totient is φ = 750168000.

The previous prime is 1100231117. The next prime is 1100231129. The reversal of 1100231125 is 5211320011.

It is not a de Polignac number, because 1100231125 - 2³ = 1100231117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100231099 and 1100231108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100231129) 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 31 ways as a sum of consecutive naturals, for example, 154902 + ... + 161848.

It is an arithmetic number, because the mean of its divisors is an integer number (49316904).

Almost surely, 2^1100231125 is an apocalyptic number.

It is an amenable number.

1100231125 is a deficient number, since it is larger than the sum of its proper divisors (477909803).

1100231125 is an equidigital number, since it uses as much as digits as its factorization.

1100231125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7150 (or 7140 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1100231125 is about 33169.7320610221. The cubic root of 1100231125 is about 1032.3524091029.

Adding to 1100231125 its reverse (5211320011), we get a palindrome (6311551136).

The spelling of 1100231125 in words is "one billion, one hundred million, two hundred thirty-one thousand, one hundred twenty-five".