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124543 is a prime number
BaseRepresentation
bin11110011001111111
320022211201
4132121333
512441133
62400331
71026046
oct363177
9208751
10124543
1185631
12600a7
13448c3
143355d
1526d7d
hex1e67f

124543 has 2 divisors, whose sum is σ = 124544. Its totient is φ = 124542.

The previous prime is 124541. The next prime is 124561. The reversal of 124543 is 345421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124543 - 21 = 124541 is a prime.

Together with 124541, it forms a pair of twin primes.

124543 is a lucky number.

It is a plaindrome in base 14.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 124543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62271 + 62272.

It is an arithmetic number, because the mean of its divisors is an integer number (62272).

2124543 is an apocalyptic number.

124543 is a deficient number, since it is larger than the sum of its proper divisors (1).

124543 is an equidigital number, since it uses as much as digits as its factorization.

124543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 19.

The square root of 124543 is about 352.9065031988. The cubic root of 124543 is about 49.9389922581.

Adding to 124543 its reverse (345421), we get a palindrome (469964).

It can be divided in two parts, 1245 and 43, that multiplied together give a palindrome (53535).

The spelling of 124543 in words is "one hundred twenty-four thousand, five hundred forty-three".