1141189 has 4 divisors (see below), whose sum is σ = 1304224. Its totient is φ = 978156.

The previous prime is 1141171. The next prime is 1141219. The reversal of 1141189 is 9811411.

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 an emirpimes, since its reverse is a distinct semiprime: 9811411 = 1931 ⋅5081.

It is a cyclic number.

It is not a de Polignac number, because 1141189 - 2⁷ = 1141061 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 (1141109) 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, 81507 + ... + 81520.

It is an arithmetic number, because the mean of its divisors is an integer number (326056).

2^1141189 is an apocalyptic number.

It is an amenable number.

1141189 is a deficient number, since it is larger than the sum of its proper divisors (163035).

1141189 is an equidigital number, since it uses as much as digits as its factorization.

1141189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163034.

The product of its digits is 288, while the sum is 25.

The square root of 1141189 is about 1068.2644803606. The cubic root of 1141189 is about 104.5006982394.

The spelling of 1141189 in words is "one million, one hundred forty-one thousand, one hundred eighty-nine".