4122189 has 12 divisors (see below), whose sum is σ = 6039072. Its totient is φ = 2709000.

The previous prime is 4122187. The next prime is 4122227. The reversal of 4122189 is 9812214.

It is not a de Polignac number, because 4122189 - 2¹ = 4122187 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2587 + ... + 3864.

It is an arithmetic number, because the mean of its divisors is an integer number (503256).

Almost surely, 2^4122189 is an apocalyptic number.

It is an amenable number.

4122189 is a deficient number, since it is larger than the sum of its proper divisors (1916883).

4122189 is a wasteful number, since it uses less digits than its factorization.

4122189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528 (or 6525 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 4122189 is about 2030.3174628614. The cubic root of 4122189 is about 160.3402784074.

It can be divided in two parts, 412 and 2189, that added together give a square (2601 = 51²).

The spelling of 4122189 in words is "four million, one hundred twenty-two thousand, one hundred eighty-nine".