1141784 has 16 divisors (see below), whose sum is σ = 2446800. Its totient is φ = 489312.

The previous prime is 1141769. The next prime is 1141801. The reversal of 1141784 is 4871411.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10139 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (152925).

2^1141784 is an apocalyptic number.

1141784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1141784 is an abundant number, since it is smaller than the sum of its proper divisors (1305016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1141784 is a wasteful number, since it uses less digits than its factorization.

1141784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20402 (or 20398 counting only the distinct ones).

The product of its digits is 896, while the sum is 26.

The square root of 1141784 is about 1068.5429331571. The cubic root of 1141784 is about 104.5188568186.

The spelling of 1141784 in words is "one million, one hundred forty-one thousand, seven hundred eighty-four".