2104125305 has 8 divisors (see below), whose sum is σ = 2612017800. Its totient is φ = 1625255296.

The previous prime is 2104125271. The next prime is 2104125313. The reversal of 2104125305 is 5035214012.

It can be written as a sum of positive squares in 4 ways, for example, as 809061136 + 1295064169 = 28444^2 + 35987^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2104125305 - 2²⁶ = 2037016441 is a prime.

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, 7255460 + ... + 7255749.

It is an arithmetic number, because the mean of its divisors is an integer number (326502225).

Almost surely, 2^2104125305 is an apocalyptic number.

It is an amenable number.

2104125305 is a deficient number, since it is larger than the sum of its proper divisors (507892495).

2104125305 is a wasteful number, since it uses less digits than its factorization.

2104125305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14511243.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2104125305 is about 45870.7456337915. The cubic root of 2104125305 is about 1281.4171529532.

Adding to 2104125305 its reverse (5035214012), we get a palindrome (7139339317).

The spelling of 2104125305 in words is "two billion, one hundred four million, one hundred twenty-five thousand, three hundred five".