2102512 has 20 divisors (see below), whose sum is σ = 4096216. Its totient is φ = 1045440.

The previous prime is 2102497. The next prime is 2102519. The reversal of 2102512 is 2152012.

It is a junction number, because it is equal to n+sod(n) for n = 2102492 and 2102501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5098 + ... + 5494.

2^2102512 is an apocalyptic number.

It is an amenable number.

2102512 is a deficient number, since it is larger than the sum of its proper divisors (1993704).

2102512 is a wasteful number, since it uses less digits than its factorization.

2102512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2102512 is about 1450.0041379251. The cubic root of 2102512 is about 128.1089567063.

Adding to 2102512 its reverse (2152012), we get a palindrome (4254524).

The spelling of 2102512 in words is "two million, one hundred two thousand, five hundred twelve".