1341543 has 16 divisors (see below), whose sum is σ = 2061056. Its totient is φ = 760320.

The previous prime is 1341539. The next prime is 1341547. The reversal of 1341543 is 3451431.

It is an interprime number because it is at equal distance from previous prime (1341539) and next prime (1341547).

It is not a de Polignac number, because 1341543 - 2² = 1341539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3888 + ... + 4218.

It is an arithmetic number, because the mean of its divisors is an integer number (128816).

2^1341543 is an apocalyptic number.

1341543 is a deficient number, since it is larger than the sum of its proper divisors (719513).

1341543 is a wasteful number, since it uses less digits than its factorization.

1341543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its digits is 720, while the sum is 21.

The square root of 1341543 is about 1158.2499730196. The cubic root of 1341543 is about 110.2896772571.

Adding to 1341543 its reverse (3451431), we get a palindrome (4792974).

The spelling of 1341543 in words is "one million, three hundred forty-one thousand, five hundred forty-three".