2104512 has 56 divisors (see below), whose sum is σ = 5675376. Its totient is φ = 688128.

The previous prime is 2104507. The next prime is 2104541. The reversal of 2104512 is 2154012.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2104491 and 2104500.

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, 18568 + ... + 18680.

It is an arithmetic number, because the mean of its divisors is an integer number (101346).

2^2104512 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 2104512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2837688).

2104512 is an abundant number, since it is smaller than the sum of its proper divisors (3570864).

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

2104512 is a wasteful number, since it uses less digits than its factorization.

2104512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2104512 is about 1450.6936272005. The cubic root of 2104512 is about 128.1495647526.

Adding to 2104512 its reverse (2154012), we get a palindrome (4258524).

The spelling of 2104512 in words is "two million, one hundred four thousand, five hundred twelve".