124005144404447 has 2 divisors, whose sum is σ = 124005144404448. Its totient is φ = 124005144404446.

The previous prime is 124005144404443. The next prime is 124005144404483. The reversal of 124005144404447 is 744404441500421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124005144404447 - 2² = 124005144404443 is a prime.

It is a super-2 number, since 2×124005144404447² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124005144404398 and 124005144404407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124005144404443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62002572202223 + 62002572202224.

It is an arithmetic number, because the mean of its divisors is an integer number (62002572202224).

Almost surely, 2^{124005144404447} is an apocalyptic number.

124005144404447 is a deficient number, since it is larger than the sum of its proper divisors (1).

124005144404447 is an equidigital number, since it uses as much as digits as its factorization.

124005144404447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1146880, while the sum is 44.

Adding to 124005144404447 its reverse (744404441500421), we get a palindrome (868409585904868).

The spelling of 124005144404447 in words is "one hundred twenty-four trillion, five billion, one hundred forty-four million, four hundred four thousand, four hundred forty-seven".