1141779 has 16 divisors (see below), whose sum is σ = 1596672. Its totient is φ = 725088.

The previous prime is 1141769. The next prime is 1141801. The reversal of 1141779 is 9771411.

It is not a de Polignac number, because 1141779 - 2⁸ = 1141523 is a prime.

1141779 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1141739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6754 + ... + 6920.

It is an arithmetic number, because the mean of its divisors is an integer number (99792).

2^1141779 is an apocalyptic number.

1141779 is a deficient number, since it is larger than the sum of its proper divisors (454893).

1141779 is a wasteful number, since it uses less digits than its factorization.

1141779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its digits is 1764, while the sum is 30.

The square root of 1141779 is about 1068.5405935200. The cubic root of 1141779 is about 104.5187042518.

The spelling of 1141779 in words is "one million, one hundred forty-one thousand, seven hundred seventy-nine".