11172125 has 16 divisors (see below), whose sum is σ = 14064960. Its totient is φ = 8859600.

The previous prime is 11172079. The next prime is 11172127. The reversal of 11172125 is 52127111.

It is a happy number.

It is not a de Polignac number, because 11172125 - 2⁶ = 11172061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11172097 and 11172106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11172127) 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 15 ways as a sum of consecutive naturals, for example, 17054 + ... + 17696.

It is an arithmetic number, because the mean of its divisors is an integer number (879060).

Almost surely, 2^11172125 is an apocalyptic number.

It is an amenable number.

11172125 is a deficient number, since it is larger than the sum of its proper divisors (2892835).

11172125 is an equidigital number, since it uses as much as digits as its factorization.

11172125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 787 counting only the distinct ones).

The product of its digits is 140, while the sum is 20.

The square root of 11172125 is about 3342.4728869506. The cubic root of 11172125 is about 223.5520184145.

Adding to 11172125 its reverse (52127111), we get a palindrome (63299236).

The spelling of 11172125 in words is "eleven million, one hundred seventy-two thousand, one hundred twenty-five".