4059121725 has 18 divisors (see below), whose sum is σ = 7270338426. Its totient is φ = 2164864800.

The previous prime is 4059121643. The next prime is 4059121733. The reversal of 4059121725 is 5271219504.

4059121725 is a `hidden beast` number, since 40 + 591 + 2 + 1 + 7 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 30173049 + 4028948676 = 5493^2 + 63474^2 .

It is not a de Polignac number, because 4059121725 - 2²⁶ = 3992012861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4059121725.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 9020046 + ... + 9020495.

Almost surely, 2^4059121725 is an apocalyptic number.

4059121725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4059121725 is a deficient number, since it is larger than the sum of its proper divisors (3211216701).

4059121725 is a wasteful number, since it uses less digits than its factorization.

4059121725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18040557 (or 18040549 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 4059121725 is about 63711.2370386889. The cubic root of 4059121725 is about 1595.1836576023.

The spelling of 4059121725 in words is "four billion, fifty-nine million, one hundred twenty-one thousand, seven hundred twenty-five".