Search a number
-
+
124042223 is a prime number
BaseRepresentation
bin1110110010010…
…11101111101111
322122101222221102
413121023233233
5223223322343
620150353315
73034225064
oct731135757
9278358842
10124042223
1164022838
123565b83b
131c910a86
141268cc6b
15ad533b8
hex764bbef

124042223 has 2 divisors, whose sum is σ = 124042224. Its totient is φ = 124042222.

The previous prime is 124042199. The next prime is 124042267. The reversal of 124042223 is 322240421.

It is a weak prime.

It is an emirp because it is prime and its reverse (322240421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124042223 - 26 = 124042159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124042195 and 124042204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124042283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62021111 + 62021112.

It is an arithmetic number, because the mean of its divisors is an integer number (62021112).

Almost surely, 2124042223 is an apocalyptic number.

124042223 is a deficient number, since it is larger than the sum of its proper divisors (1).

124042223 is an equidigital number, since it uses as much as digits as its factorization.

124042223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 124042223 is about 11137.4244329647. The cubic root of 124042223 is about 498.7196884027.

Adding to 124042223 its reverse (322240421), we get a palindrome (446282644).

The spelling of 124042223 in words is "one hundred twenty-four million, forty-two thousand, two hundred twenty-three".