124442047 has 2 divisors, whose sum is σ = 124442048. Its totient is φ = 124442046.

The previous prime is 124441991. The next prime is 124442051. The reversal of 124442047 is 740244421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124442047 - 2¹¹ = 124439999 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124442147) 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, 62221023 + 62221024.

It is an arithmetic number, because the mean of its divisors is an integer number (62221024).

Almost surely, 2^124442047 is an apocalyptic number.

124442047 is a deficient number, since it is larger than the sum of its proper divisors (1).

124442047 is an equidigital number, since it uses as much as digits as its factorization.

124442047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 124442047 is about 11155.3595639047. The cubic root of 124442047 is about 499.2549530281.

Adding to 124442047 its reverse (740244421), we get a palindrome (864686468).

The spelling of 124442047 in words is "one hundred twenty-four million, four hundred forty-two thousand, forty-seven".