124200247 has 2 divisors, whose sum is σ = 124200248. Its totient is φ = 124200246.

The previous prime is 124200187. The next prime is 124200269. The reversal of 124200247 is 742002421.

It is a happy number.

It is an a-pointer prime, because the next prime (124200269) can be obtained adding 124200247 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124200247 - 2⁷ = 124200119 is a prime.

It is a super-2 number, since 2×124200247² = 30851402709722018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124200277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62100123 + 62100124.

It is an arithmetic number, because the mean of its divisors is an integer number (62100124).

Almost surely, 2^124200247 is an apocalyptic number.

124200247 is a deficient number, since it is larger than the sum of its proper divisors (1).

124200247 is an equidigital number, since it uses as much as digits as its factorization.

124200247 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 22.

The square root of 124200247 is about 11144.5164542927. The cubic root of 124200247 is about 498.9313803980.

Adding to 124200247 its reverse (742002421), we get a palindrome (866202668).

The spelling of 124200247 in words is "one hundred twenty-four million, two hundred thousand, two hundred forty-seven".