1139043 has 4 divisors (see below), whose sum is σ = 1518728. Its totient is φ = 759360.

The previous prime is 1139041. The next prime is 1139059. The reversal of 1139043 is 3409311.

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

It is not a de Polignac number, because 1139043 - 2¹ = 1139041 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1139041) 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, 189838 + ... + 189843.

It is an arithmetic number, because the mean of its divisors is an integer number (379682).

2^1139043 is an apocalyptic number.

1139043 is a deficient number, since it is larger than the sum of its proper divisors (379685).

1139043 is an equidigital number, since it uses as much as digits as its factorization.

1139043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379684.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1139043 is about 1067.2595747989. The cubic root of 1139043 is about 104.4351527958.

The spelling of 1139043 in words is "one million, one hundred thirty-nine thousand, forty-three".