1141783 has 4 divisors (see below), whose sum is σ = 1172680. Its totient is φ = 1110888.

The previous prime is 1141769. The next prime is 1141801. The reversal of 1141783 is 3871411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3871411 = 89 ⋅43499.

It is not a de Polignac number, because 1141783 - 2⁹ = 1141271 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 (1142783) 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, 15393 + ... + 15466.

It is an arithmetic number, because the mean of its divisors is an integer number (293170).

2^1141783 is an apocalyptic number.

1141783 is a deficient number, since it is larger than the sum of its proper divisors (30897).

1141783 is an equidigital number, since it uses as much as digits as its factorization.

1141783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30896.

The product of its digits is 672, while the sum is 25.

The square root of 1141783 is about 1068.5424652301. The cubic root of 1141783 is about 104.5188263052.

The spelling of 1141783 in words is "one million, one hundred forty-one thousand, seven hundred eighty-three".