86124137 has 4 divisors (see below), whose sum is σ = 93953616. Its totient is φ = 78294660.

The previous prime is 86124109. The next prime is 86124139. The reversal of 86124137 is 73142168.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86124137 - 2¹⁰ = 86123113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86124139) 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 3 ways as a sum of consecutive naturals, for example, 3914723 + ... + 3914744.

It is an arithmetic number, because the mean of its divisors is an integer number (23488404).

Almost surely, 2^86124137 is an apocalyptic number.

It is an amenable number.

86124137 is a deficient number, since it is larger than the sum of its proper divisors (7829479).

86124137 is a wasteful number, since it uses less digits than its factorization.

86124137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7829478.

The product of its digits is 8064, while the sum is 32.

The square root of 86124137 is about 9280.3091004557. The cubic root of 86124137 is about 441.6127745010.

The spelling of 86124137 in words is "eighty-six million, one hundred twenty-four thousand, one hundred thirty-seven".