11420189 has 4 divisors (see below), whose sum is σ = 12458400. Its totient is φ = 10381980.

The previous prime is 11420179. The next prime is 11420203. The reversal of 11420189 is 98102411.

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.

It is a cyclic number.

It is not a de Polignac number, because 11420189 - 2⁴ = 11420173 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 (11420179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519089 + ... + 519110.

It is an arithmetic number, because the mean of its divisors is an integer number (3114600).

Almost surely, 2^11420189 is an apocalyptic number.

It is an amenable number.

11420189 is a deficient number, since it is larger than the sum of its proper divisors (1038211).

11420189 is a wasteful number, since it uses less digits than its factorization.

11420189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038210.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 11420189 is about 3379.3770135929. The cubic root of 11420189 is about 225.1944919134.

The spelling of 11420189 in words is "eleven million, four hundred twenty thousand, one hundred eighty-nine".