172141028 has 12 divisors (see below), whose sum is σ = 301854000. Its totient is φ = 85897032.

The previous prime is 172141027. The next prime is 172141033. The reversal of 172141028 is 820141271.

It is a junction number, because it is equal to n+sod(n) for n = 172140988 and 172141006.

It is not an unprimeable number, because it can be changed into a prime (172141027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41126 + ... + 45117.

It is an arithmetic number, because the mean of its divisors is an integer number (25154500).

Almost surely, 2^172141028 is an apocalyptic number.

It is an amenable number.

172141028 is a deficient number, since it is larger than the sum of its proper divisors (129712972).

172141028 is a wasteful number, since it uses less digits than its factorization.

172141028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86746 (or 86744 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 172141028 is about 13120.2525890320. The cubic root of 172141028 is about 556.2817310014.

Adding to 172141028 its reverse (820141271), we get a palindrome (992282299).

The spelling of 172141028 in words is "one hundred seventy-two million, one hundred forty-one thousand, twenty-eight".