3172120 has 32 divisors (see below), whose sum is σ = 8157600. Its totient is φ = 1087488.

The previous prime is 3172097. The next prime is 3172123. The reversal of 3172120 is 212713.

It is a happy number.

3172120 is nontrivially palindromic in base 3.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 3172094 and 3172103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3172123) 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, 5385 + ... + 5944.

It is an arithmetic number, because the mean of its divisors is an integer number (254925).

Almost surely, 2^3172120 is an apocalyptic number.

It is an amenable number.

3172120 is an abundant number, since it is smaller than the sum of its proper divisors (4985480).

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

3172120 is a wasteful number, since it uses less digits than its factorization.

3172120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11347 (or 11343 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 3172120 is about 1781.0446372845. The cubic root of 3172120 is about 146.9320493635.

Adding to 3172120 its reverse (212713), we get a palindrome (3384833).

The spelling of 3172120 in words is "three million, one hundred seventy-two thousand, one hundred twenty".