1141149 has 4 divisors (see below), whose sum is σ = 1521536. Its totient is φ = 760764.

The previous prime is 1141139. The next prime is 1141171. The reversal of 1141149 is 9411411.

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: 9411411 = 3 ⋅3137137.

It is not a de Polignac number, because 1141149 - 2⁹ = 1140637 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 16.

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 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, 190189 + ... + 190194.

It is an arithmetic number, because the mean of its divisors is an integer number (380384).

2^1141149 is an apocalyptic number.

It is an amenable number.

1141149 is a deficient number, since it is larger than the sum of its proper divisors (380387).

1141149 is an equidigital number, since it uses as much as digits as its factorization.

1141149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380386.

The product of its digits is 144, while the sum is 21.

The square root of 1141149 is about 1068.2457582411. The cubic root of 1141149 is about 104.4994772682.

The spelling of 1141149 in words is "one million, one hundred forty-one thousand, one hundred forty-nine".