2861120 has 28 divisors (see below), whose sum is σ = 6813804. Its totient is φ = 1144320.

The previous prime is 2861119. The next prime is 2861129. The reversal of 2861120 is 211682.

2861120 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1459264 + 1401856 = 1208^2 + 1184^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2861092 and 2861101.

It is not an unprimeable number, because it can be changed into a prime (2861129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4151 + ... + 4790.

2^2861120 is an apocalyptic number.

2861120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2861120 is an abundant number, since it is smaller than the sum of its proper divisors (3952684).

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

2861120 is an equidigital number, since it uses as much as digits as its factorization.

2861120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8958 (or 8948 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2861120 is about 1691.4845550581. The cubic root of 2861120 is about 141.9641515008.

The spelling of 2861120 in words is "two million, eight hundred sixty-one thousand, one hundred twenty".