2011172 has 24 divisors (see below), whose sum is σ = 3677184. Its totient is φ = 961632.

The previous prime is 2011171. The next prime is 2011183. The reversal of 2011172 is 2711102.

2011172 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (2011171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15773 + ... + 15899.

It is an arithmetic number, because the mean of its divisors is an integer number (153216).

2^2011172 is an apocalyptic number.

It is an amenable number.

2011172 is a deficient number, since it is larger than the sum of its proper divisors (1666012).

2011172 is a wasteful number, since it uses less digits than its factorization.

2011172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 2011172 is about 1418.1579601723. The cubic root of 2011172 is about 126.2262668194.

Adding to 2011172 its reverse (2711102), we get a palindrome (4722274).

The spelling of 2011172 in words is "two million, eleven thousand, one hundred seventy-two".