2872120 has 32 divisors (see below), whose sum is σ = 6577200. Its totient is φ = 1128448.

The previous prime is 2872109. The next prime is 2872139. The reversal of 2872120 is 212782.

2872120 is a Rhonda number in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2872091 and 2872100.

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, 1752 + ... + 2968.

2^2872120 is an apocalyptic number.

2872120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2872120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3288600).

2872120 is an abundant number, since it is smaller than the sum of its proper divisors (3705080).

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

2872120 is a wasteful number, since it uses less digits than its factorization.

2872120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287 (or 1283 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2872120 is about 1694.7330173216. The cubic root of 2872120 is about 142.1458529156.

It can be divided in two parts, 2872 and 120, that added together give a palindrome (2992).

The spelling of 2872120 in words is "two million, eight hundred seventy-two thousand, one hundred twenty".