86000121 has 6 divisors (see below), whose sum is σ = 124222410. Its totient is φ = 57333408.

The previous prime is 86000081. The next prime is 86000141. The reversal of 86000121 is 12100068.

It can be written as a sum of positive squares in only one way, i.e., 85377600 + 622521 = 9240^2 + 789^2 .

It is not a de Polignac number, because 86000121 - 2¹⁹ = 85475833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86000094 and 86000103.

It is not an unprimeable number, because it can be changed into a prime (86000141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4777776 + ... + 4777793.

It is an arithmetic number, because the mean of its divisors is an integer number (20703735).

Almost surely, 2^86000121 is an apocalyptic number.

It is an amenable number.

86000121 is a deficient number, since it is larger than the sum of its proper divisors (38222289).

86000121 is a wasteful number, since it uses less digits than its factorization.

86000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9555575 (or 9555572 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 86000121 is about 9273.6250193762. The cubic root of 86000121 is about 441.4007032575.

Adding to 86000121 its reverse (12100068), we get a palindrome (98100189).

The spelling of 86000121 in words is "eighty-six million, one hundred twenty-one", and thus it is an aban number.