124220443 has 2 divisors, whose sum is σ = 124220444. Its totient is φ = 124220442.

The previous prime is 124220419. The next prime is 124220477. The reversal of 124220443 is 344022421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124220443 is a prime.

It is not a weakly prime, because it can be changed into another prime (124220743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62110221 + 62110222.

It is an arithmetic number, because the mean of its divisors is an integer number (62110222).

Almost surely, 2^124220443 is an apocalyptic number.

124220443 is a deficient number, since it is larger than the sum of its proper divisors (1).

124220443 is an equidigital number, since it uses as much as digits as its factorization.

124220443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 124220443 is about 11145.4225133011. The cubic root of 124220443 is about 498.9584224056.

Adding to 124220443 its reverse (344022421), we get a palindrome (468242864).

The spelling of 124220443 in words is "one hundred twenty-four million, two hundred twenty thousand, four hundred forty-three".