4120555801 has 8 divisors (see below), whose sum is σ = 4335141384. Its totient is φ = 3911402880.

The previous prime is 4120555781. The next prime is 4120555843. The reversal of 4120555801 is 1085550214.

It can be written as a sum of positive squares in 4 ways, for example, as 345067776 + 3775488025 = 18576^2 + 61445^2 .

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 4120555801 - 2¹⁷ = 4120424729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4120555301) 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 7 ways as a sum of consecutive naturals, for example, 1356610 + ... + 1359643.

It is an arithmetic number, because the mean of its divisors is an integer number (541892673).

Almost surely, 2^4120555801 is an apocalyptic number.

4120555801 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4120555801 is a deficient number, since it is larger than the sum of its proper divisors (214585583).

4120555801 is a wasteful number, since it uses less digits than its factorization.

4120555801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716331.

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 4120555801 is about 64191.5555271875. Note that the first 4 decimals coincide. The cubic root of 4120555801 is about 1603.1910016340.

The spelling of 4120555801 in words is "four billion, one hundred twenty million, five hundred fifty-five thousand, eight hundred one".