2105243132 has 12 divisors (see below), whose sum is σ = 3684591456. Its totient is φ = 1052502720.

The previous prime is 2105243117. The next prime is 2105243143. The reversal of 2105243132 is 2313425012.

It is a junction number, because it is equal to n+sod(n) for n = 2105243098 and 2105243107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19028 + ... + 67620.

It is an arithmetic number, because the mean of its divisors is an integer number (307049288).

Almost surely, 2^2105243132 is an apocalyptic number.

It is an amenable number.

2105243132 is a deficient number, since it is larger than the sum of its proper divisors (1579348324).

2105243132 is a wasteful number, since it uses less digits than its factorization.

2105243132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59428 (or 59426 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2105243132 is about 45882.9285464649. The cubic root of 2105243132 is about 1281.6440325195.

Adding to 2105243132 its reverse (2313425012), we get a palindrome (4418668144).

The spelling of 2105243132 in words is "two billion, one hundred five million, two hundred forty-three thousand, one hundred thirty-two".