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BaseRepresentation
bin11110011001100001
320022210121
4132121201
512441023
62400241
71026004
oct363141
9208717
10124513
1185604
1260081
134489c
143353b
1526d5d
hex1e661

124513 has 2 divisors, whose sum is σ = 124514. Its totient is φ = 124512.

The previous prime is 124493. The next prime is 124529. The reversal of 124513 is 315421.

It is an a-pointer prime, because the next prime (124529) can be obtained adding 124513 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63504 + 61009 = 252^2 + 247^2 .

It is an emirp because it is prime and its reverse (315421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124513 - 29 = 124001 is a prime.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (124543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62256 + 62257.

It is an arithmetic number, because the mean of its divisors is an integer number (62257).

2124513 is an apocalyptic number.

It is an amenable number.

124513 is a deficient number, since it is larger than the sum of its proper divisors (1).

124513 is an equidigital number, since it uses as much as digits as its factorization.

124513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 16.

The square root of 124513 is about 352.8639964632. The cubic root of 124513 is about 49.9349821569.

Adding to 124513 its reverse (315421), we get a palindrome (439934).

The spelling of 124513 in words is "one hundred twenty-four thousand, five hundred thirteen".