172127083 has 4 divisors (see below), whose sum is σ = 172847520. Its totient is φ = 171406648.

The previous prime is 172127069. The next prime is 172127117. The reversal of 172127083 is 380721271.

172127083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172127083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172127183) 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, 359860 + ... + 360337.

It is an arithmetic number, because the mean of its divisors is an integer number (43211880).

Almost surely, 2^172127083 is an apocalyptic number.

172127083 is a deficient number, since it is larger than the sum of its proper divisors (720437).

172127083 is an equidigital number, since it uses as much as digits as its factorization.

172127083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720436.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 172127083 is about 13119.7211479513. The cubic root of 172127083 is about 556.2667092906.

The spelling of 172127083 in words is "one hundred seventy-two million, one hundred twenty-seven thousand, eighty-three".