82124159 has 4 divisors (see below), whose sum is σ = 88441416. Its totient is φ = 75806904.

The previous prime is 82124153. The next prime is 82124167. The reversal of 82124159 is 95142128.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82124159 - 2⁸ = 82123903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82124153) 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 3 ways as a sum of consecutive naturals, for example, 3158609 + ... + 3158634.

It is an arithmetic number, because the mean of its divisors is an integer number (22110354).

Almost surely, 2^82124159 is an apocalyptic number.

82124159 is a deficient number, since it is larger than the sum of its proper divisors (6317257).

82124159 is a wasteful number, since it uses less digits than its factorization.

82124159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6317256.

The product of its digits is 5760, while the sum is 32.

The square root of 82124159 is about 9062.2380789736. The cubic root of 82124159 is about 434.6673089269.

The spelling of 82124159 in words is "eighty-two million, one hundred twenty-four thousand, one hundred fifty-nine".