3143120 has 40 divisors (see below), whose sum is σ = 7399080. Its totient is φ = 1241600.

The previous prime is 3143117. The next prime is 3143131. The reversal of 3143120 is 213413.

It can be written as a sum of positive squares in 4 ways, for example, as 659344 + 2483776 = 812^2 + 1576^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 3143095 and 3143104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7886 + ... + 8274.

It is an arithmetic number, because the mean of its divisors is an integer number (184977).

Almost surely, 2^3143120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3143120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3699540).

3143120 is an abundant number, since it is smaller than the sum of its proper divisors (4255960).

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

3143120 is a wasteful number, since it uses less digits than its factorization.

3143120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3143120 is about 1772.8846550185. The cubic root of 3143120 is about 146.4829195725.

Adding to 3143120 its reverse (213413), we get a palindrome (3356533).

The spelling of 3143120 in words is "three million, one hundred forty-three thousand, one hundred twenty".