2103124045 has 16 divisors (see below), whose sum is σ = 2763434880. Its totient is φ = 1523848000.

The previous prime is 2103124039. The next prime is 2103124057. The reversal of 2103124045 is 5404213012.

It is not a de Polignac number, because 2103124045 - 2¹⁹ = 2102599757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56281 + ... + 85870.

It is an arithmetic number, because the mean of its divisors is an integer number (172714680).

Almost surely, 2^2103124045 is an apocalyptic number.

It is an amenable number.

2103124045 is a deficient number, since it is larger than the sum of its proper divisors (660310835).

2103124045 is a wasteful number, since it uses less digits than its factorization.

2103124045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142436.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2103124045 is about 45859.8304074492. The cubic root of 2103124045 is about 1281.2138641563.

Adding to 2103124045 its reverse (5404213012), we get a palindrome (7507337057).

The spelling of 2103124045 in words is "two billion, one hundred three million, one hundred twenty-four thousand, forty-five".