1141879 has 4 divisors (see below), whose sum is σ = 1144080. Its totient is φ = 1139680.

The previous prime is 1141871. The next prime is 1141901. The reversal of 1141879 is 9781411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1141879 - 2³ = 1141871 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

1141879 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141871) 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, 159 + ... + 1519.

It is an arithmetic number, because the mean of its divisors is an integer number (286020).

2^1141879 is an apocalyptic number.

1141879 is a deficient number, since it is larger than the sum of its proper divisors (2201).

1141879 is an equidigital number, since it uses as much as digits as its factorization.

1141879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200.

The product of its digits is 2016, while the sum is 31.

The square root of 1141879 is about 1068.5873852896. The cubic root of 1141879 is about 104.5217555034.

The spelling of 1141879 in words is "one million, one hundred forty-one thousand, eight hundred seventy-nine".