7102189 has 4 divisors (see below), whose sum is σ = 7107520. Its totient is φ = 7096860.

The previous prime is 7102177. The next prime is 7102213. The reversal of 7102189 is 9812017.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7102189 - 2⁵ = 7102157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7102489) 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, 1324 + ... + 3994.

It is an arithmetic number, because the mean of its divisors is an integer number (1776880).

Almost surely, 2^7102189 is an apocalyptic number.

It is an amenable number.

7102189 is a deficient number, since it is larger than the sum of its proper divisors (5331).

7102189 is a wasteful number, since it uses less digits than its factorization.

7102189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5330.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 7102189 is about 2664.9932457701. The cubic root of 7102189 is about 192.2194846055.

The spelling of 7102189 in words is "seven million, one hundred two thousand, one hundred eighty-nine".