82124158 has 4 divisors (see below), whose sum is σ = 123186240. Its totient is φ = 41062078.

The previous prime is 82124153. The next prime is 82124167. The reversal of 82124158 is 85142128.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 polite number, since it can be written as a sum of consecutive naturals, namely, 20531038 + ... + 20531041.

It is an arithmetic number, because the mean of its divisors is an integer number (30796560).

Almost surely, 2^82124158 is an apocalyptic number.

82124158 is a deficient number, since it is larger than the sum of its proper divisors (41062082).

82124158 is a wasteful number, since it uses less digits than its factorization.

82124158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41062081.

The product of its digits is 5120, while the sum is 31.

The square root of 82124158 is about 9062.2380237996. The cubic root of 82124158 is about 434.6673071626.

The spelling of 82124158 in words is "eighty-two million, one hundred twenty-four thousand, one hundred fifty-eight".