2105263124 has 12 divisors (see below), whose sum is σ = 3684955764. Its totient is φ = 1052418624.

The previous prime is 2105263093. The next prime is 2105263129. The reversal of 2105263124 is 4213625012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1617648400 + 487614724 = 40220^2 + 22082^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2105263093 and 2105263102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105263129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29849 + ... + 71424.

It is an arithmetic number, because the mean of its divisors is an integer number (307079647).

Almost surely, 2^2105263124 is an apocalyptic number.

It is an amenable number.

2105263124 is a deficient number, since it is larger than the sum of its proper divisors (1579692640).

2105263124 is a wasteful number, since it uses less digits than its factorization.

2105263124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106474 (or 106472 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2105263124 is about 45883.1464047530. The cubic root of 2105263124 is about 1281.6480894612.

Adding to 2105263124 its reverse (4213625012), we get a palindrome (6318888136).

The spelling of 2105263124 in words is "two billion, one hundred five million, two hundred sixty-three thousand, one hundred twenty-four".