1179543 has 4 divisors (see below), whose sum is σ = 1572728. Its totient is φ = 786360.

The previous prime is 1179527. The next prime is 1179547. The reversal of 1179543 is 3459711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3459711 = 3 ⋅1153237.

It is not a de Polignac number, because 1179543 - 2⁴ = 1179527 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1179543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1179547) 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, 196588 + ... + 196593.

It is an arithmetic number, because the mean of its divisors is an integer number (393182).

2^1179543 is an apocalyptic number.

1179543 is a deficient number, since it is larger than the sum of its proper divisors (393185).

1179543 is an equidigital number, since it uses as much as digits as its factorization.

1179543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393184.

The product of its digits is 3780, while the sum is 30.

The square root of 1179543 is about 1086.0676774492. The cubic root of 1179543 is about 105.6585369038.

The spelling of 1179543 in words is "one million, one hundred seventy-nine thousand, five hundred forty-three".