8172130 has 16 divisors (see below), whose sum is σ = 15349824. Its totient is φ = 3126640.

The previous prime is 8172119. The next prime is 8172137. The reversal of 8172130 is 312718.

It is not an unprimeable number, because it can be changed into a prime (8172137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17536 + ... + 17995.

It is an arithmetic number, because the mean of its divisors is an integer number (959364).

Almost surely, 2^8172130 is an apocalyptic number.

8172130 is a deficient number, since it is larger than the sum of its proper divisors (7177694).

8172130 is a wasteful number, since it uses less digits than its factorization.

8172130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35561.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 8172130 is about 2858.6937576453. The cubic root of 8172130 is about 201.4242501486.

Adding to 8172130 its reverse (312718), we get a palindrome (8484848).

The spelling of 8172130 in words is "eight million, one hundred seventy-two thousand, one hundred thirty".