2100560 has 120 divisors (see below), whose sum is σ = 6332928. Its totient is φ = 633600.

The previous prime is 2100559. The next prime is 2100563. The reversal of 2100560 is 650012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67745 + ... + 67775.

2^2100560 is an apocalyptic number.

2100560 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 2100560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3166464).

2100560 is an abundant number, since it is smaller than the sum of its proper divisors (4232368).

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

2100560 is a wasteful number, since it uses less digits than its factorization.

2100560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2100560 is about 1449.3308800961. The cubic root of 2100560 is about 128.0692984130.

Adding to 2100560 its reverse (650012), we get a palindrome (2750572).

The spelling of 2100560 in words is "two million, one hundred thousand, five hundred sixty".