1119143 has 4 divisors (see below), whose sum is σ = 1122360. Its totient is φ = 1115928.

The previous prime is 1119121. The next prime is 1119169. The reversal of 1119143 is 3419111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1119143 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 (1119343) 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, 1013 + ... + 1806.

It is an arithmetic number, because the mean of its divisors is an integer number (280590).

2^1119143 is an apocalyptic number.

1119143 is a deficient number, since it is larger than the sum of its proper divisors (3217).

1119143 is an equidigital number, since it uses as much as digits as its factorization.

1119143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216.

The product of its digits is 108, while the sum is 20.

The square root of 1119143 is about 1057.8955525003. The cubic root of 1119143 is about 103.8233873767.

Subtracting 1119143 from its reverse (3419111), we obtain a cube (2299968 = 132³).

The spelling of 1119143 in words is "one million, one hundred nineteen thousand, one hundred forty-three".