1147443 has 24 divisors (see below), whose sum is σ = 1755600. Its totient is φ = 665280.

The previous prime is 1147441. The next prime is 1147451. The reversal of 1147443 is 3447411.

It is not a de Polignac number, because 1147443 - 2¹ = 1147441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10473 + ... + 10581.

It is an arithmetic number, because the mean of its divisors is an integer number (73150).

2^1147443 is an apocalyptic number.

1147443 is a deficient number, since it is larger than the sum of its proper divisors (608157).

1147443 is a wasteful number, since it uses less digits than its factorization.

1147443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 152 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 1147443 is about 1071.1876586294. The cubic root of 1147443 is about 104.6912471964.

Subtracting 1147443 from its reverse (3447411), we obtain a cube (2299968 = 132³).

It can be divided in two parts, 114 and 7443, that added together give a palindrome (7557).

The spelling of 1147443 in words is "one million, one hundred forty-seven thousand, four hundred forty-three".