4205120557 has 8 divisors (see below), whose sum is σ = 4632825312. Its totient is φ = 3784986000.

The previous prime is 4205120551. The next prime is 4205120573. The reversal of 4205120557 is 7550215024.

4205120557 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 4205120557 - 2³¹ = 2057636909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4205120551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1891383 + ... + 1893604.

It is an arithmetic number, because the mean of its divisors is an integer number (579103164).

Almost surely, 2^4205120557 is an apocalyptic number.

It is an amenable number.

4205120557 is a deficient number, since it is larger than the sum of its proper divisors (427704755).

4205120557 is a wasteful number, since it uses less digits than its factorization.

4205120557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785099.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 4205120557 is about 64846.9009051319. The cubic root of 4205120557 is about 1614.0840665117.

The spelling of 4205120557 in words is "four billion, two hundred five million, one hundred twenty thousand, five hundred fifty-seven".