4121258085 has 48 divisors (see below), whose sum is σ = 8178153984. Its totient is φ = 1880741376.

The previous prime is 4121258083. The next prime is 4121258093. The reversal of 4121258085 is 5808521214.

It is not a de Polignac number, because 4121258085 - 2¹ = 4121258083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121258083) 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 47 ways as a sum of consecutive naturals, for example, 175764 + ... + 197826.

It is an arithmetic number, because the mean of its divisors is an integer number (170378208).

Almost surely, 2^4121258085 is an apocalyptic number.

4121258085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4121258085 is a deficient number, since it is larger than the sum of its proper divisors (4056895899).

4121258085 is a wasteful number, since it uses less digits than its factorization.

4121258085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22674 (or 22671 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 4121258085 is about 64197.0255152059. The cubic root of 4121258085 is about 1603.2820760331.

Adding to 4121258085 its reverse (5808521214), we get a palindrome (9929779299).

The spelling of 4121258085 in words is "four billion, one hundred twenty-one million, two hundred fifty-eight thousand, eighty-five".