8162120 has 32 divisors (see below), whose sum is σ = 18446400. Its totient is φ = 3250368.

The previous prime is 8162111. The next prime is 8162123. The reversal of 8162120 is 212618.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 8162092 and 8162101.

It is not an unprimeable number, because it can be changed into a prime (8162123) 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 7 ways as a sum of consecutive naturals, for example, 16517 + ... + 17003.

It is an arithmetic number, because the mean of its divisors is an integer number (576450).

Almost surely, 2^8162120 is an apocalyptic number.

It is an amenable number.

8162120 is an abundant number, since it is smaller than the sum of its proper divisors (10284280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8162120 is a wasteful number, since it uses less digits than its factorization.

8162120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 8162120 is about 2856.9424215409. The cubic root of 8162120 is about 201.3419753708.

Adding to 8162120 its reverse (212618), we get a palindrome (8374738).

The spelling of 8162120 in words is "eight million, one hundred sixty-two thousand, one hundred twenty".