124018217 has 2 divisors, whose sum is σ = 124018218. Its totient is φ = 124018216.

The previous prime is 124018201. The next prime is 124018249. The reversal of 124018217 is 712810421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105904681 + 18113536 = 10291^2 + 4256^2 .

It is an emirp because it is prime and its reverse (712810421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124018217 - 2⁴ = 124018201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124018267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62009108 + 62009109.

It is an arithmetic number, because the mean of its divisors is an integer number (62009109).

Almost surely, 2^124018217 is an apocalyptic number.

It is an amenable number.

124018217 is a deficient number, since it is larger than the sum of its proper divisors (1).

124018217 is an equidigital number, since it uses as much as digits as its factorization.

124018217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 124018217 is about 11136.3466630668. The cubic root of 124018217 is about 498.6875137744.

Adding to 124018217 its reverse (712810421), we get a palindrome (836828638).

The spelling of 124018217 in words is "one hundred twenty-four million, eighteen thousand, two hundred seventeen".