86128124 has 6 divisors (see below), whose sum is σ = 150724224. Its totient is φ = 43064060.

The previous prime is 86128099. The next prime is 86128139. The reversal of 86128124 is 42182168.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10766012 + ... + 10766019.

It is an arithmetic number, because the mean of its divisors is an integer number (25120704).

Almost surely, 2^86128124 is an apocalyptic number.

It is an amenable number.

86128124 is a deficient number, since it is larger than the sum of its proper divisors (64596100).

86128124 is a wasteful number, since it uses less digits than its factorization.

86128124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21532035 (or 21532033 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 86128124 is about 9280.5239076250. The cubic root of 86128124 is about 441.6195890172.

The spelling of 86128124 in words is "eighty-six million, one hundred twenty-eight thousand, one hundred twenty-four".