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124213 is a prime number
BaseRepresentation
bin11110010100110101
320022101111
4132110311
512433323
62355021
71025065
oct362465
9208344
10124213
1185361
125ba71
13446cb
14333a5
1526c0d
hex1e535

124213 has 2 divisors, whose sum is σ = 124214. Its totient is φ = 124212.

The previous prime is 124199. The next prime is 124231. The reversal of 124213 is 312421.

Together with next prime (124231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97969 + 26244 = 313^2 + 162^2 .

It is a cyclic number.

It is not a de Polignac number, because 124213 - 25 = 124181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124193 and 124202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62106 + 62107.

It is an arithmetic number, because the mean of its divisors is an integer number (62107).

2124213 is an apocalyptic number.

It is an amenable number.

124213 is a deficient number, since it is larger than the sum of its proper divisors (1).

124213 is an equidigital number, since it uses as much as digits as its factorization.

124213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48, while the sum is 13.

The square root of 124213 is about 352.4386471430. The cubic root of 124213 is about 49.8948456730.

Adding to 124213 its reverse (312421), we get a palindrome (436634).

It can be divided in two parts, 12 and 4213, that added together give a square (4225 = 652).

The spelling of 124213 in words is "one hundred twenty-four thousand, two hundred thirteen".